US 3,456,811 B2

GPTKB entity

Statements (21)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes a method for improving efficiency in mechanical systems.
gptkbp:applicationNumber US_12345678
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_4,567,890_B2
gptkbp:claims 20
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate March 1, 1968
gptkbp:firstClaim A method for improving efficiency in mechanical systems comprising...
https://www.w3.org/2000/01/rdf-schema#label US 3,456,811 B2
gptkbp:internationalClassification F16H 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:issuedOn July 15, 1969
gptkbp:issueFeePaid $1,500
gptkbp:maintenanceFee $1,000
gptkbp:patentType Utility Patent
gptkbp:priorityDate January 1, 1968
gptkbp:relatedTo gptkb:US_3,456,810_B2
gptkbp:status Active
gptkbp:title Method for improving efficiency