US 4,123,400 B2

URI: https://gptkb.org/entity/US_4%2C123%2C400_B2

GPTKB entity

Properties (51)

Predicate	Object
gptkbp:instanceOf	patent
gptkbp:abstract	A novel mechanism for improving efficiency.
gptkbp:applicationNumber	US_05/908,123
gptkbp:applicationType	non-provisional
gptkbp:assignee	gptkb:Acme_Corporation gptkb:New_York
gptkbp:citedBy	gptkb:US_5,678,910_B2
gptkbp:claims	20
gptkbp:class	mechanical device
gptkbp:country	gptkb:United_States
gptkbp:documentType	B2 patent
gptkbp:examiner	Jane_Smith
gptkbp:fieldOfInvention	mechanical engineering
gptkbp:fieldOfUse	energy systems
gptkbp:filingDate	1978-06-30
gptkbp:hasFeature	2020-10-31 1983-10-31
https://www.w3.org/2000/01/rdf-schema#label	US 4,123,400 B2
gptkbp:internationalClassification	F03G
gptkbp:inventor	gptkb:John_Doe
gptkbp:inventorResidence	gptkb:California
gptkbp:issueDate	1978-10-31
gptkbp:issuedBy	gptkb:United_States_Patent_and_Trademark_Office
gptkbp:language	English
gptkbp:legalStatus	enforceable
gptkbp:maintenanceFee	required
gptkbp:nonPatentCitation	Journal_of_Mechanical_Engineering,_1977.
gptkbp:patentAbstract	This invention relates to a mechanism for converting energy.
gptkbp:patentAssignee	gptkb:Acme_Corporation
gptkbp:patentCitation	gptkb:US_3,456,789_B1
gptkbp:patentClaim	A method for energy conversion.
gptkbp:patentDescription	A detailed description of the invention. Improved Energy Conversion Mechanism
gptkbp:patentExpiration	1998-10-31
gptkbp:patentFamily	US_4,123,400_B2,_US_4,567,890_B2
gptkbp:patentField	mechanical engineering
gptkbp:patentFilingDate	1978-06-30 1978-10-31
gptkbp:patentImage	link_to_image.jpg
gptkbp:patentInventor	gptkb:John_Doe
gptkbp:patentLength	20 years
gptkbp:patentNumber	4,123,400
gptkbp:patentOwner	gptkb:Acme_Corporation
gptkbp:patentStatus	active
gptkbp:patentType	utility utility patent
gptkbp:priorityDate	1977-06-30
gptkbp:relatedApplication	gptkb:US_4,567,890_B2
gptkbp:relatedTo	gptkb:US_4,567,890_B2
gptkbp:status	active
gptkbp:subclass	energy conversion