US 04,321,098 B2

URI: https://gptkb.org/entity/US_04%2C321%2C098_B2
GPTKB entity
Properties (33)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency.
gptkbp:applicationNumber 06/194,123
gptkbp:applicationPublication gptkb:US_04,321,098_A1
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_05,678,901_A
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1999-12-15
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate 1980-12-15
gptkbp:fullText Available online.
https://www.w3.org/2000/01/rdf-schema#label US 04,321,098 B2
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1982-03-30
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentAbstract This invention relates to...
gptkbp:patentCitation US 04,321,097 B2
gptkbp:patentClassification mechanical engineering
gptkbp:patentFamily US 04,321,098 B2, US 04,321,097 B2
gptkbp:patentNumber 4321098
gptkbp:patentType utility
gptkbp:priorityDate 1979-12-15
gptkbp:relatedTo US 04,321,097 B2
gptkbp:status active
gptkbp:subclass energy conversion