US 4567891 B4

GPTKB entity

Statements (41)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes a method for improving efficiency in mechanical systems.
gptkbp:applicationNumber 06/123456
gptkbp:applicationType utility
gptkbp:assignee gptkb:ABC_Corporation
gptkbp:citedBy gptkb:US_1234567_A
gptkbp:claims 10
gptkbp:class F16H 25/00
gptkbp:country gptkb:United_States
gptkbp:description Detailed description of the invention.
gptkbp:drawings Yes
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2006-02-25
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingCountry abandoned
gptkbp:filingDate 1980-02-01
gptkbp:firstClaim A method for improving efficiency in mechanical systems.
gptkbp:grantDate 1986-02-25
https://www.w3.org/2000/01/rdf-schema#label US 4567891 B4
gptkbp:internationalClassification F16H 25/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueFeePaid true
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentAbstract This patent provides a method for enhancing the efficiency of mechanical systems.
gptkbp:patentCitation Cited by 5 other patents.
gptkbp:patentFamily US_4567891_B4,_US_4567890_B4,_US_1234567_A
gptkbp:patentField Engineering
gptkbp:patentLink https://patents.google.com/patent/US4567891B4
gptkbp:patentLitigation No
gptkbp:patentNumber B4
4567891
gptkbp:patentOwner gptkb:ABC_Corporation
gptkbp:patentStatus active
gptkbp:patentType granted
gptkbp:priorityDate 1979-02-01
gptkbp:relatedPatent gptkb:US_4567890_B4
gptkbp:status active
gptkbp:subclass F16H 25/10
gptkbp:title Method for improving efficiency