gptkbp:instanceOf
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patent
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gptkbp:abstract
|
A method for improving efficiency in mechanical systems.
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gptkbp:applicationNumber
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07/307,123
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gptkbp:applicationPublicationNumber
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gptkb:US_4,890,147_A1
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gptkbp:applicationType
|
Non-Provisional
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gptkbp:assignee
|
gptkb:Acme_Corporation
gptkb:Los_Angeles
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gptkbp:assigneeCountry
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gptkb:USA
|
gptkbp:citedBy
|
US_5,123,456
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gptkbp:claims
|
20
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gptkbp:class
|
Mechanics
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gptkbp:country
|
gptkb:United_States
|
gptkbp:examiner
|
Jane_Smith
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gptkbp:expirationDate
|
January 2, 2007
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gptkbp:fieldOfInvention
|
Mechanical Engineering
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gptkbp:filingDate
|
September 15, 1989
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https://www.w3.org/2000/01/rdf-schema#label
|
US 4,890,147 B2
|
gptkbp:internationalClassification
|
F03G
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gptkbp:inventor
|
gptkb:John_Doe
gptkb:New_York
|
gptkbp:inventorCountry
|
gptkb:USA
|
gptkbp:issueDate
|
January 2, 1990
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gptkbp:issuedOn
|
January 2, 1990
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gptkbp:legalStatus
|
Granted
|
gptkbp:maintenanceFee
|
Paid
|
gptkbp:nonPatentCitation
|
Journal_of_Mechanical_Engineering,_1989.
|
gptkbp:patentCitation
|
US_4,567,890
|
gptkbp:patentClassification
|
Class 123
|
gptkbp:patentExpiration
|
20 years from filing date.
|
gptkbp:patentFamily
|
US_4,890,147_B2,_US_5,123,456
|
gptkbp:patentLink
|
https://patents.google.com/patent/US4890147B2
|
gptkbp:patentNumber
|
4890147
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gptkbp:patentOffice
|
gptkb:USPTO
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gptkbp:patentType
|
Utility Patent
A patent for a new and useful process.
|
gptkbp:priorityDate
|
March 15, 1988
|
gptkbp:relatedPatent
|
US_4,567,890
|
gptkbp:status
|
Active
|
gptkbp:subclass
|
Energy Efficiency
|
gptkbp:title
|
Method for improving efficiency
|