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gptkbp:instanceOf
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patent
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gptkbp:abstract
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A method for producing hydrogen from water using electrolysis.
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gptkbp:applicationNumber
|
05/823,198
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gptkbp:applicationPublication
|
gptkb:US_1978/012345_A1
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gptkbp:applicationStatus
|
Granted
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gptkbp:applicationType
|
Non-provisional
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gptkbp:assignee
|
The_United_States_of_America_as_represented_by_the_Department_of_Energy
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gptkbp:citedBy
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gptkb:US_5,123,456_A
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gptkbp:examiner
|
gptkb:John_Doe
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gptkbp:fieldOfInvention
|
Energy production
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gptkbp:filingDate
|
May 12, 1977
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gptkbp:grantDate
|
October 31, 1978
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https://www.w3.org/2000/01/rdf-schema#label
|
US 4,123,490 B1
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gptkbp:internationalClassification
|
H01M 8/00
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gptkbp:inventor
|
gptkb:Robert_H._McDonald
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gptkbp:inventorCountry
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gptkb:USA
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gptkbp:issueDate
|
October 31, 1978
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gptkbp:issuedOn
|
October 31, 1978
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gptkbp:legalStatus
|
Lapsed
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gptkbp:maintenanceFee
|
Not paid
|
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gptkbp:numberOfClaims
|
10
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|
gptkbp:patentCitation
|
gptkb:US_3,456,789_A
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gptkbp:patentClassification
|
Electrochemical processes.
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gptkbp:patentExpiration
|
October 31, 1995
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gptkbp:patentFamily
|
US_4,123,490_B1,_US_4,567,890_A
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gptkbp:patentLink
|
https://patents.google.com/patent/US4123490B1
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|
gptkbp:patentNumber
|
4,123,490
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gptkbp:patentOwner
|
gptkb:Department_of_Energy
|
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gptkbp:patentStatus
|
Expired due to non-payment of maintenance fees.
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|
gptkbp:patentType
|
Utility patent
A patent for a new method.
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|
gptkbp:priorityDate
|
March 15, 1977
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gptkbp:relatedPatent
|
gptkb:US_4,567,890_A
|
|
gptkbp:status
|
Expired
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gptkbp:technicalField
|
Hydrogen production
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gptkbp:title
|
Method for producing hydrogen from water
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