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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:applicationStatus
|
Granted
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gptkbp:applicationType
|
Non-Provisional
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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:class
|
Mechanical_Systems
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gptkbp:examiner
|
Jane_Smith
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gptkbp:fieldOfInvention
|
Mechanical Engineering
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gptkbp:filingDate
|
February 6, 1989
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gptkbp:firstClaim
|
A method for improving efficiency in mechanical systems comprising...
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|
https://www.w3.org/2000/01/rdf-schema#label
|
US 4,890,168 B1
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gptkbp:inventor
|
gptkb:John_Doe
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gptkbp:inventorCountry
|
gptkb:USA
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gptkbp:issueDate
|
January 2, 1990
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gptkbp:issuedBy
|
January 2, 1990
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gptkbp:legalStatus
|
Expired due to failure to pay maintenance fees.
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gptkbp:location
|
gptkb:United_States
|
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gptkbp:maintenanceFee
|
Not paid
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|
gptkbp:patentFamily
|
US_4,890,168_B1,_US_5,123,456
|
|
gptkbp:patentLength
|
20 years
|
|
gptkbp:patentOffice
|
gptkb:United_States_Patent_and_Trademark_Office
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gptkbp:patentType
|
Utility Patent
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|
gptkbp:priorityDate
|
March 15, 1988
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|
gptkbp:publicationNumber
|
gptkb:US_4,890,168
|
|
gptkbp:relatedPatent
|
US_4,567,890
|
|
gptkbp:status
|
Expired
|
|
gptkbp:subclass
|
Energy Efficiency
|
|
gptkbp:title
|
Method for improving efficiency
|