US 4,000,054 B1

GPTKB entity

Statements (33)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber 05/598,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:assigneeCountry gptkb:USA
gptkbp:citedBy US_5,000,000
gptkbp:claims 10
gptkbp:class mechanical device
gptkbp:documentType patent document
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1994-12-28
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate 1975-06-30
gptkbp:firstClaim A mechanical device comprising...
https://www.w3.org/2000/01/rdf-schema#label US 4,000,054 B1
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1977-12-28
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:language English
gptkbp:legalStatus granted
gptkbp:location gptkb:USA
gptkbp:maintenanceFee paid
gptkbp:patentFamily US_4,000,054_B1,_US_4,000,055_B1
gptkbp:patentNumber 4,000,054
gptkbp:patentType utility
gptkbp:priorityDate 1975-06-30
gptkbp:relatedTo US_3,000,000
gptkbp:status active
gptkbp:subclass energy efficiency
gptkbp:title Improved Mechanical Device