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gptkbp:instanceOf
|
patent
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|
gptkbp:abstract
|
A method for improving efficiency in mechanical systems.
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gptkbp:applicationNumber
|
06/200,000
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gptkbp:applicationPublicationNumber
|
US_1981/0000001_A1
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|
gptkbp:applicationType
|
Utility
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|
gptkbp:assignee
|
gptkb:Acme_Corporation
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|
gptkbp:citedBy
|
US_5,123,456
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|
gptkbp:claims
|
10
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gptkbp:country
|
gptkb:United_States
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gptkbp:documentType
|
Patent_Grant
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|
gptkbp:examiner
|
Jane_Smith
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|
gptkbp:expirationDate
|
March 30, 1999
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|
gptkbp:fieldOfInvention
|
Mechanical Engineering
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gptkbp:filingDate
|
April 1, 1980
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|
https://www.w3.org/2000/01/rdf-schema#label
|
US 4,321,139 C2
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|
gptkbp:internationalClassification
|
F16H 1/00
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|
gptkbp:inventor
|
gptkb:John_Doe
|
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gptkbp:inventorCountry
|
gptkb:USA
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gptkbp:issuedOn
|
March 30, 1982
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|
gptkbp:language
|
English
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|
gptkbp:legalStatus
|
Expired
|
|
gptkbp:patentCitation
|
US_4,000,001
|
|
gptkbp:patentClassification
|
Mechanical Engineering
|
|
gptkbp:patentExpiration
|
20 years from filing date.
|
|
gptkbp:patentFamily
|
US_4,321,139
|
|
gptkbp:patentLink
|
https://patents.google.com/patent/US4321139C2
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|
gptkbp:patentNumber
|
4321139
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|
gptkbp:patentOffice
|
gptkb:USPTO
|
|
gptkbp:patentType
|
Utility Patent
|
|
gptkbp:priorityDate
|
June 15, 1980
|
|
gptkbp:relatedTo
|
US_4,000,000
|
|
gptkbp:status
|
Granted
|
|
gptkbp:subclass
|
F16H
|
|
gptkbp:title
|
Method for improving efficiency
|