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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:applicationDate
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May 6, 1974
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gptkbp:applicationNumber
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05/469,155
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gptkbp:applicationType
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Non-provisional
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gptkbp:assignee
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The_United_States_of_America_as_represented_by_the_Department_of_Energy
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gptkbp:citedBy
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gptkb:US_4,123,456_A
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gptkbp:country
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gptkb:United_States
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gptkbp:examiner
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gptkb:John_Doe
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gptkbp:fieldOfInvention
|
Energy production
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gptkbp:filingDate
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May 6, 1974
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gptkbp:grantDate
|
April 8, 1975
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https://www.w3.org/2000/01/rdf-schema#label
|
US 3,876,542 A
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gptkbp:internationalClassification
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C01B 3/00
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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:issuedOn
|
April 8, 1975
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gptkbp:legalStatus
|
Lapsed
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gptkbp:numberOfClaims
|
10
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gptkbp:numberOfFigures
|
3
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gptkbp:patentCitation
|
gptkb:US_3,456,789_A
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|
gptkbp:patentClassification
|
Class 204
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|
gptkbp:patentExpiration
|
April 8, 1992
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|
gptkbp:patentFamily
|
US_3,876,542_A,_US_4,123,456_A
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|
gptkbp:patentNumber
|
3,876,542
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gptkbp:patentOffice
|
gptkb:USPTO
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gptkbp:patentType
|
Utility patent
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|
gptkbp:priorityDate
|
May 6, 1974
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|
gptkbp:relatedTo
|
Hydrogen production technology
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gptkbp:status
|
Expired
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gptkbp:title
|
Method for producing hydrogen from water
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