US 3,765,429 B1

URI: https://gptkb.org/entity/US_3%2C765%2C429_B1
GPTKB entity
Statements (29)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A novel mechanism for improving efficiency.
gptkbp:applicationNumber US_05/290,123
gptkbp:applicationStatus granted
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:assigneeCountry gptkb:USA
gptkbp:citedBy gptkb:US_4,123,456
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate 1972-10-06
gptkbp:firstClaim A device comprising...
https://www.w3.org/2000/01/rdf-schema#label US 3,765,429 B1
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1973-10-16
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus lapsed
gptkbp:location gptkb:USA
gptkbp:maintenanceFee not paid
gptkbp:patentFamily US_3,765,429_B1,_US_3,765,430_B1
gptkbp:patentLength 20 years
gptkbp:patentType utility
gptkbp:priorityDate 1971-10-06
gptkbp:relatedTo gptkb:US_3,765,428_B1
gptkbp:status expired
gptkbp:subclass energy conversion