US 400,123,432 B2

GPTKB entity

Statements (50)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A novel mechanism for improving efficiency.
gptkbp:applicationNumber 05/123,456
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:assigneeCountry gptkb:New_York
gptkbp:citedBy gptkb:US_500,123,456_B2
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1994-01-11
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate 1975-05-01
https://www.w3.org/2000/01/rdf-schema#label US 400,123,432 B2
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1977-01-11
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus active
gptkbp:maintenanceFee paid
gptkbp:patentAbstract This invention relates to a mechanism that enhances energy conversion efficiency.
gptkbp:patentCitation gptkb:US_200,123,456_A1
gptkb:US_300,123,789_B2
gptkb:US_400,123,432_A1
Figure 1, Figure 2, Figure 3
gptkbp:patentDescription Improved Energy Conversion Mechanism
Detailed description of the mechanism and its applications.
gptkbp:patentFamily US_400,123,432_B2,_US_400,123,433_B2
gptkbp:patentField energy technology
gptkbp:patentInventor energy, conversion, efficiency
gptkbp:patentNumber 400123432
gptkbp:patentStatus maintenance fee reminder sent
patent expired due to non-payment
patent license granted
patent litigation initiated
patent reexamination requested
patent application published
patent transferred to new owner
patent sold to another entity
patent granted after examination
patent reinstated after payment
assigned_to_Acme_Corporation
gptkbp:patentType utility
gptkbp:priorityDate 1974-05-01
gptkbp:relatedTo gptkb:US_300,123,789_B1
gptkbp:status granted
gptkbp:subclass energy conversion
gptkbp:technologyArea renewable energy