{"search_session":{},"preferences":{"l":"en","queryLanguage":"en"},"patentId":"081-442-021-110-273","frontPageModel":{"patentViewModel":{"ref":{"entityRefType":"PATENT","entityRefId":"081-442-021-110-273"},"entityMetadata":{"linkedIds":{"empty":true},"tags":[],"collections":[],"notes":[],"inventorships":[],"privateCollections":[],"publicCollections":[],"privateNotes":[],"landscapeCollections":[],"landscapeNotes":[]},"document":{"record_lens_id":"081-442-021-110-273","lens_id":["081-442-021-110-273"],"doc_key":"US_2510053_A_19500606","created":"2016-01-15T02:55:17.76","docdb_id":326759506,"lens_internal":{"earliest_lens_id_created_time":"2016-01-15T02:55:17.76","last_modified":"2026-03-28T07:46:15.378","legacy_pub_key":"US_2510053_A","has_doc_lang":false,"has_biblio_lang":false,"has_all_title_lang":true,"has_all_abstract_lang":true,"has_all_claims_lang":true,"has_description_lang":true},"jurisdiction":"US","doc_number":"2510053","kind":"A","date_published":"1950-06-06","year_published":1950,"ids":["US_2510053_A","081-442-021-110-273","US_2510053_A_19500606","US","2510053","A","US2510053A","US2510053","2510053A"],"publication_type":"GRANTED_PATENT","application_reference":{"jurisdiction":"US","doc_number":"74641947","kind":"A","date":"1947-05-07"},"priority_claim":[{"jurisdiction":"US","doc_number":"74641947","kind":"A","date":"1947-05-07","linkage_type":"DEFAULT"}],"priority_claim.source":"DOCDB","earliest_priority_claim_date":"1947-05-07","title":{"en":[{"text":"Page protector and marker","lang":"en","source":"DOCDB","data_format":"DOCDBA"}]},"title_lang":["en"],"has_title":true,"applicant":[{"name":"SHIELDS PFEIFFER SARAH","sequence":1,"app_type":"applicant"}],"applicant_count":1,"has_applicant":true,"inventor":[{"name":"SHIELDS PFEIFFER SARAH","sequence":1}],"inventor_count":1,"has_inventor":true,"agent":[],"agent_count":0,"has_agent":false,"owner":[],"owner_count":0,"owner_all":[],"owner_all_count":0,"has_owner":false,"has_examiner":false,"class_ipcr":[{"symbol":"B42D9/00","version_indicator":"2006-01-01","class_value":"I","action_date":"2005-10-08","class_status":"R","class_data_source":"M","generating_office":"EP","sequence":1}],"class_ipcr.later_symbol":["B42D9/00"],"class_ipcr.inv_symbol":["B42D9/00"],"class_ipcr.add_symbol":[],"class_ipcr.source":"DOCDB","class_cpc":[{"symbol":"B42D9/004","version_indicator":"2013-01-01","class_symbol_position":"F","class_value":"I","action_date":"2013-01-01","class_status":"B","class_data_source":"H","generating_office":"EP","sequence":1},{"symbol":"B42D9/004","version_indicator":"2013-01-01","class_symbol_position":"F","class_value":"I","action_date":"2019-08-22","class_status":"B","class_data_source":"H","generating_office":"US","sequence":2}],"class_cpc_cset":[],"class_cpc.first_symbol":"B42D9/004","class_cpc.later_symbol":[],"class_cpc.inv_symbol":["B42D9/004","B42D9/004"],"class_cpc.add_symbol":[],"class_cpc.source":"DOCDB","class_national":[],"class_national.later_symbol":[],"reference_cited":[{"patent":{"sequence":1,"num":1,"document_id":{"jurisdiction":"US","doc_number":"498761","kind":"A","date":"1893-06-06"},"lens_id":"068-470-869-088-795","category":[],"us_category":[],"cited_phase":"SEA","rel_claims":[]}},{"patent":{"sequence":2,"num":2,"document_id":{"jurisdiction":"US","doc_number":"1261362","kind":"A","date":"1918-04-02","name":"COOK FRANKFORD M [US]"},"lens_id":"105-685-546-286-517","category":[],"us_category":[],"cited_phase":"SEA","rel_claims":[]}},{"patent":{"sequence":3,"num":3,"document_id":{"jurisdiction":"US","doc_number":"1338789","kind":"A","date":"1920-05-04","name":"RAND JAMES H"},"lens_id":"059-151-281-675-919","category":[],"us_category":[],"cited_phase":"SEA","rel_claims":[]}},{"patent":{"sequence":4,"num":4,"document_id":{"jurisdiction":"US","doc_number":"1952732","kind":"A","date":"1934-03-27","name":"MAX SIMON"},"lens_id":"053-281-155-171-522","category":[],"us_category":[],"cited_phase":"SEA","rel_claims":[]}},{"patent":{"sequence":5,"num":5,"document_id":{"jurisdiction":"US","doc_number":"2039116","kind":"A","date":"1936-04-28","name":"WHITMAN RICE EDGAR"},"lens_id":"095-521-599-855-814","category":[],"us_category":[],"cited_phase":"SEA","rel_claims":[]}},{"patent":{"sequence":6,"num":6,"document_id":{"jurisdiction":"GB","doc_number":"190317930","kind":"A","date":"1903-12-10","name":"ROCHOLL HEINRICH CARL"},"lens_id":"177-490-716-118-543","category":[],"us_category":[],"cited_phase":"SEA","rel_claims":[]}}],"reference_cited.source":"DOCDB","reference_cited.patent_count":6,"cites_patent":true,"reference_cited.npl_count":0,"reference_cited.npl_resolved_count":0,"cites_npl":false,"cites_resolved_npl":false,"cited_by":{"patent_count":14,"patent":[{"lens_id":"076-995-329-463-146","document_id":{"jurisdiction":"US","doc_number":"D0412535","kind":"S"}},{"lens_id":"045-728-428-058-137","document_id":{"jurisdiction":"US","doc_number":"D0888154","kind":"S"}},{"lens_id":"119-838-919-379-883","document_id":{"jurisdiction":"US","doc_number":"4984529","kind":"A"}},{"lens_id":"190-959-082-365-302","document_id":{"jurisdiction":"US","doc_number":"20080277917","kind":"A1"}},{"lens_id":"158-049-162-827-906","document_id":{"jurisdiction":"US","doc_number":"3719161","kind":"A"}},{"lens_id":"161-902-640-557-271","document_id":{"jurisdiction":"US","doc_number":"5610770","kind":"A"}},{"lens_id":"026-922-013-812-468","document_id":{"jurisdiction":"US","doc_number":"10242602","kind":"B2"}},{"lens_id":"163-880-587-616-647","document_id":{"jurisdiction":"US","doc_number":"3324823","kind":"A"}},{"lens_id":"041-837-455-455-901","document_id":{"jurisdiction":"US","doc_number":"3266456","kind":"A"}},{"lens_id":"086-992-487-079-376","document_id":{"jurisdiction":"US","doc_number":"20090091117","kind":"A1"}},{"lens_id":"154-905-637-385-878","document_id":{"jurisdiction":"US","doc_number":"9067455","kind":"B2"}},{"lens_id":"053-967-476-509-607","document_id":{"jurisdiction":"US","doc_number":"5429391","kind":"A"}},{"lens_id":"044-350-366-683-878","document_id":{"jurisdiction":"US","doc_number":"5471347","kind":"A"}},{"lens_id":"103-623-931-934-430","document_id":{"jurisdiction":"US","doc_number":"5388861","kind":"A"}}]},"cited_by_patent":true,"family":{"simple":{"size":1,"id":151388620,"member":[{"lens_id":"081-442-021-110-273","document_id":{"jurisdiction":"US","doc_number":"2510053","kind":"A","date":"1950-06-06"}}]},"extended":{"size":1,"id":151388620,"member":[{"lens_id":"081-442-021-110-273","document_id":{"jurisdiction":"US","doc_number":"2510053","kind":"A","date":"1950-06-06"}}]}},"has_sequence":false,"legal_status":{"ipr_type":"patent for invention","granted":true,"earliest_filing_date":"1947-05-07","grant_date":"1950-06-06","anticipated_term_date":"1967-06-06","has_disclaimer":false,"patent_status":"EXPIRED","publication_count":0,"has_spc":false,"has_grant_event":false,"has_entry_into_national_phase":false,"term_extension_days":0},"abstract":{},"abstract_lang":[],"has_abstract":false,"claim":{},"has_claim":false,"description":{},"description_lang":[],"has_description":false,"has_docdb":true,"has_inpadoc":false,"has_full_text":false,"application_number":["02/746,419","02/746419","02746419","US02/746,419","US02/746419","US02746419"],"application_number_display":"02/746,419"},"jurisdiction":"US","collections":[],"usersTags":[],"lensId":"081-442-021-110-273","publicationKey":"US_2510053_A","displayKey":"US 2510053 A","docAssets":{"lensId":"081-442-021-110-273","pdfUrl":"https://www.lens.org/lens/images/patent/081-442-021-110-273/pdf/US_2510053_A_081-442-021-110-273.pdf","images":[{"thumb":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/US/A/2510/2510053/image/page/10pc/00000001.png","full":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/US/A/2510/2510053/image/page/full/00000001.png"},{"thumb":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/US/A/2510/2510053/image/page/10pc/00000002.png","full":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/US/A/2510/2510053/image/page/full/00000002.png"},{"thumb":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/US/A/2510/2510053/image/page/10pc/00000003.png","full":"https://s3-us-west-2.amazonaws.com/lens-resource/patent/US/A/2510/2510053/image/page/full/00000003.png"}],"fallover":false},"countryName":"USA","inventorModel":{"inventors":[{"name":{"value":"SHIELDS PFEIFFER SARAH","valueNormalised":"Shields Pfeiffer Sarah"},"inventorship":null}],"inventorships":[],"unmatchedInventorships":[],"activeUserHasInventorship":false},"simpleFamilyId":151388620,"citesPatentCount":6,"countrySpec":{"countryName":"USA","description":"PATENT [FROM BEGIN UNTIL END 2000]","rule":"pubdate:BEFORE:31-12-2000","docType":"GRANTED_PATENT"},"documentTitle":"Page protector and marker","pageTitle":"US 2510053 A - Page protector and marker"}},"filters":{"npl":[],"notNpl":[],"applicant":[],"notApplicant":[],"inventor":[],"notInventor":[],"owner":[],"notOwner":[],"tags":[],"dates":[],"types":[],"notTypes":[],"j":[],"notJ":[],"fj":[],"notFj":[],"classIpcr":[],"notClassIpcr":[],"classNat":[],"notClassNat":[],"classCpc":[],"notClassCpc":[],"so":[],"notSo":[],"sat":[]},"sequenceFilters":{"s":"SEQIDNO","d":"ASCENDING","p":0,"n":10,"sp":[],"si":[],"len":[],"t":[],"loc":[]}}