US 04,567,981 B2

GPTKB entity

Statements (57)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency.
gptkbp:applicationNumber 06/740,123
gptkbp:applicationPublication gptkb:US_04,567,981_A1
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:citedBy gptkb:US_05,123,456_B2
gptkbp:claims 20
gptkbp:coInventor gptkb:Alice_Johnson
gptkbp:examiner No objections.
Jane_Smith
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate 1985-05-30
https://www.w3.org/2000/01/rdf-schema#label US 04,567,981 B2
gptkbp:internationalClassification F16H 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1986-02-25
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:numberOfFigures 5
gptkbp:pageCount 10
gptkbp:patentAbstract This patent describes a method for improving efficiency in mechanical systems.
gptkbp:patentAssignee New_York.
Acme_Corporation.
gptkbp:patentCitation gptkb:US_04,567,980_B2
Illustrations of the invention.
Cited_by_US_05,123,456_B2.
gptkbp:patentClaim Claims defining the scope of the invention.
gptkbp:patentClassification F16H 1/00.
gptkbp:patentDescription Detailed description of the invention.
Method for improving efficiency.
gptkbp:patentExpiration 2006-05-30
2006-05-30.
gptkbp:patentFamily US_04,567,981_B2_family
gptkbp:patentFamilyMembers US_04,567,980_B2,_US_04,567,982_B2.
gptkbp:patentField Mechanical_Engineering.
gptkbp:patentFilingDate 1984-05-30.
1985-05-30.
1986-02-25.
gptkbp:patentInventor California.
Jane_Smith.
John_Doe,_Alice_Johnson.
gptkbp:patentLength 20 years
gptkbp:patentMaintenanceFee Paid.
gptkbp:patentNumber 4567981
US_04,567,981_B2.
gptkbp:patentStatus Active.
Granted.
gptkbp:patentType utility
Utility.
US_04,567,980_B2.
gptkbp:priorityDate 1984-05-30
gptkbp:relatedTo gptkb:US_04,567,980_B2
gptkbp:status active