US 4,000,037 B1

URI: https://gptkb.org/entity/US_4%2C000%2C037_B1
GPTKB entity
Statements (29)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber 05/586,123
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_5,000,000
gptkbp:claims 10
gptkbp:class mechanical device
gptkbp:description This patent describes a novel mechanism.
gptkbp:drawings included
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1994-12-28
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate 1975-05-30
gptkbp:firstClaim A device comprising...
https://www.w3.org/2000/01/rdf-schema#label US 4,000,037 B1
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 1977-12-28
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:location gptkb:USA
gptkbp:maintenanceFee paid
gptkbp:patentFamily US_4,000,037_B1,_US_4,000,038_B1
gptkbp:patentType utility
gptkbp:priorityDate 1975-05-30
gptkbp:relatedTo US_3,000,000
gptkbp:status active
gptkbp:subclass energy efficiency