US 4,567,981 A

GPTKB entity

Properties (49)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving the efficiency of a process.
gptkbp:applicationDate 1985-05-30
gptkbp:applicationNumber US_07/123,456
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_5,123,456_A
gptkbp:claims 10
gptkbp:classification H01L 21/00
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Electrical Engineering
gptkbp:filingDate 1985-05-30
https://www.w3.org/2000/01/rdf-schema#label US 4,567,981 A
gptkbp:internationalClassification H01L 21/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1986-01-28
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus Granted
gptkbp:patentAbstract A method for improving the efficiency of a process.
US_4,567,980_A.
gptkbp:patentAssignee John_Doe.
Acme_Corporation.
gptkbp:patentCitation gptkb:US_4,567,980_A
US_4,567,980_A.
gptkbp:patentClaim 10 claims.
gptkbp:patentClassification H01L 21/00.
H01L.
gptkbp:patentDescription This patent describes a method for improving efficiency.
gptkbp:patentExpiration 2003-01-28
2003-01-28.
gptkbp:patentFamily US_4,567,981_A,_US_4,567,980_A
gptkbp:patentFamilyMembers US_4,567,981_A,_US_4,567,980_A.
gptkbp:patentField Electrical_Engineering.
gptkbp:patentFilingDate 1985-05-30.
1986-01-28.
gptkbp:patentInventor Jane_Smith.
John_Doe.
USA.
gptkbp:patentNumber 4567981
4567981.
gptkbp:patentStatus Expired.
Granted.
gptkbp:patentType Utility Patent
Utility.
gptkbp:priorityDate 1984-05-30
gptkbp:relatedTo gptkb:US_4,567,980_A
gptkbp:status Expired
gptkbp:subclass H01L
gptkbp:title Method for improving efficiency