US patent family 4,654,321

GPTKB entity

Properties (56)
Predicate Object
gptkbp:instanceOf patent
gptkbp:filingCountry gptkb:United_States
gptkbp:hasAbstract A method for improving telecommunications.
gptkbp:hasAssignee gptkb:XYZ_Corporation
gptkbp:hasCitations 10
gptkbp:hasClaim 20
gptkbp:hasFieldOfUse engineering
communication devices
gptkbp:hasFilingDate 1987-03-30
gptkbp:hasInternationalClassification H04B
gptkbp:hasInventor gptkb:Alice_Johnson
gptkb:Bob_Brown
gptkb:John_Doe
Jane_Smith
gptkbp:hasJurisdictionOver United_States_Patent_and_Trademark_Office.
gptkbp:hasLegalEvent patent granted
patent expired
patent filed
patent maintained
gptkbp:hasLegalStatus active
gptkbp:hasMember 5
gptkbp:hasPatentNumber 4,654,321
gptkbp:hasPriorityDate 1986-03-30
gptkbp:hasPublications 1987-03-31
US4654321A
gptkbp:hasTechnicalField signal processing
gptkbp:hasTechnology telecommunication standards.
https://www.w3.org/2000/01/rdf-schema#label US patent family 4,654,321
gptkbp:isAssignedTo gptkb:XYZ_Corporation
gptkbp:isCitedBy gptkb:US_patent_5,123,456
gptkb:US_patent_5,654,321
gptkbp:isFiledUnder utility patent.
gptkbp:isGranted 1987-03-31
gptkbp:isInFamilyWith H04L.
H04W.
H04N.
H04Q.
H04R.
H04S.
H04T.
H04U.
H04V.
H04X.
H04Y.
H04Z.
H04M.
H04J.
gptkbp:isPartOf US_patent_system
gptkbp:isPublishedIn USPTO database
gptkbp:isRelatedTo gptkb:US_patent_family_4,654,320
US_patent_family_4,654,322
US_patent_family_4,654,323
US_patent_family_4,654,324
gptkbp:usesTechnology telecommunications
wireless communication
gptkbp:wasFoundedIn 1987-03-30