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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
|
07/307,123
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gptkbp:applicationPublication
|
US_07/307,123_A1
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|
gptkbp:applicationType
|
Non-Provisional
|
|
gptkbp:assignee
|
gptkb:Acme_Corporation
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gptkbp:citedBy
|
gptkb:US_5,123,456_B2
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|
gptkbp:class
|
Mechanical_Systems
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gptkbp:country
|
gptkb:United_States
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gptkbp:examiner
|
Jane_Smith
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gptkbp:fieldOfInvention
|
Mechanical Engineering
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gptkbp:filingDate
|
September 15, 1989
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|
gptkbp:firstClaim
|
gptkb:US_5,678,901_A
A method for improving efficiency in mechanical systems.
|
|
gptkbp:grantDate
|
January 2, 1990
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
US 4,890,186 B1
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gptkbp:inventor
|
gptkb:John_Doe
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gptkbp:inventorResidence
|
gptkb:California
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gptkbp:issueDate
|
January 2, 1990
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|
gptkbp:issuedBy
|
January 2, 1990
|
|
gptkbp:legalStatus
|
Lapsed
|
|
gptkbp:maintenanceFee
|
Required
|
|
gptkbp:numberOfClaims
|
10
|
|
gptkbp:patentAbstract
|
California.
A method for improving efficiency in mechanical systems.
Filed on September 15, 1989.
Filed on September 15, 1989
|
|
gptkbp:patentAssignee
|
gptkb:Acme_Corporation
|
|
gptkbp:patentCitation
|
gptkb:US_4,567,890_A
Cited by other patents.
|
|
gptkbp:patentClaim
|
10 claims.
|
|
gptkbp:patentClassification
|
Class 123/456
|
|
gptkbp:patentExpiration
|
January 2, 2010
|
|
gptkbp:patentFamily
|
US_4,890,186_B1,_US_5,123,456_B2
|
|
gptkbp:patentFamilyMembers
|
US_5,123,456_B2.
|
|
gptkbp:patentField
|
Mechanical Engineering
|
|
gptkbp:patentFilingDate
|
March 15, 1988.
January 2, 1990.
September 15, 1989.
|
|
gptkbp:patentInventor
|
gptkb:John_Doe
Jane_Smith.
United_States.
|
|
gptkbp:patentLength
|
20 years
|
|
gptkbp:patentMaintenanceFee
|
Required.
|
|
gptkbp:patentNumber
|
4,890,186
|
|
gptkbp:patentOwner
|
gptkb:Acme_Corporation
Acme_Corporation.
|
|
gptkbp:patentStatus
|
Expired due to non-payment of maintenance fees.
Expired.
Lapsed.
|
|
gptkbp:patentType
|
Utility Patent
Utility Patent for inventions.
Granted on January 2, 1990
Granted on January 2, 1990.
Non-Provisional.
US_4,567,890_A.
|
|
gptkbp:priorityDate
|
March 15, 1988
|
|
gptkbp:relatedPatent
|
gptkb:US_4,567,890_A
|
|
gptkbp:relatedTo
|
gptkb:US_4,567,890_A
|
|
gptkbp:status
|
Expired
|
|
gptkbp:title
|
Method for improving efficiency
|