US 3,678,860 B1

URI: https://gptkb.org/entity/US_3%2C678%2C860_B1
GPTKB entity
Statements (28)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber US_3,678,860
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_4,123,456
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:description This patent describes a novel mechanism.
gptkbp:drawings included
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1992-07-18
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate 1971-05-10
gptkbp:firstClaim A device comprising...
https://www.w3.org/2000/01/rdf-schema#label US 3,678,860 B1
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 1972-07-18
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentFamily US_3,678,860_B1,_US_3,678,861_B1
gptkbp:patentType utility
gptkbp:priorityDate 1970-05-10
gptkbp:relatedTo gptkb:US_3,678,859_B1
gptkbp:status active
gptkbp:subclass energy conversion