US 440,987,604 B2

URI: https://gptkb.org/entity/US_440%2C987%2C604_B2
GPTKB entity
Properties (34)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A novel mechanism for improving efficiency.
gptkbp:applicationNumber 06/397,123
gptkbp:applicationStatus granted
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_123456789_A1
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate 1982-06-30
https://www.w3.org/2000/01/rdf-schema#label US 440,987,604 B2
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1983-10-11
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus enforceable
gptkbp:location gptkb:USA
gptkbp:maintenanceFee paid
gptkbp:patentAbstract This invention relates to...
gptkbp:patentCitation gptkb:US_440,987,603_B2
gptkbp:patentExpiration 2003-10-11
gptkbp:patentFamily US_440,987,604_B2,_US_440,987,605_B2
gptkbp:patentLength 20 years
gptkbp:patentLitigation none
gptkbp:patentNumber 440987604
gptkbp:patentType utility
gptkbp:priorityDate 1981-06-30
gptkbp:relatedTo gptkb:US_440,987,603_B2
gptkbp:status active
gptkbp:subclass energy efficiency
gptkbp:technologyArea renewable energy