US 04,567,897 B2

GPTKB entity

Statements (130)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A novel mechanism for improving efficiency.
gptkbp:applicationNumber US_06/740,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:assigneeCountry gptkb:USA
gptkbp:citedBy gptkb:US_05,678,901_B2
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2006-01-28
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate 1985-06-10
https://www.w3.org/2000/01/rdf-schema#label US 04,567,897 B2
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1986-01-28
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
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US 04,567,909 B2
gptkbp:patentFamily gptkb:US_04,567,897
gptkbp:patentType utility
gptkbp:priorityDate 1984-06-10
gptkbp:relatedTo gptkb:US_04,567,896_B2
gptkbp:status active
gptkbp:subclass energy efficiency