US 4,000,965

GPTKB entity

Statements (59)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing hydrogen from water using electrolysis.
gptkbp:applicationNumber 05/575,198
gptkbp:applicationType utility
gptkbp:assignee The_United_States_of_America_as_represented_by_the_Department_of_Energy
gptkbp:citedBy gptkb:US_4,123,456
US_4,567,890
gptkbp:class Hydrogen production
gptkbp:environmentalImpact low
gptkbp:examiner gptkb:John_Doe
gptkbp:expirationDate December 28, 1993
gptkbp:fieldOfUse energy production
gptkbp:filedIn March 31, 1975
gptkbp:grantDate December 28, 1976
https://www.w3.org/2000/01/rdf-schema#label US 4,000,965
gptkbp:internationalClassification C01B 3/00
gptkbp:inventor gptkb:Robert_H._McDonald
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedBy December 28, 1976
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:marketSegment fuel cells
gptkbp:numberOfClaims 20
gptkbp:numberOfFigures 5
gptkbp:patentAbstract low.
5 figures.
Describes a method for producing hydrogen.
fuel cells.
gptkbp:patentAssignee Department_of_Energy.
gptkbp:patentCitation cited by 10 other patents
10 other patents.
hydrogen energy.
gptkbp:patentClaim 20 claims.
gptkbp:patentClassification C01B 3/00.
gptkbp:patentExpiration December 28, 1993.
gptkbp:patentFamily US_4,000,965_family
US_4,000,965_family.
gptkbp:patentField energy.
gptkbp:patentFilingDate December 28, 1976.
March 31, 1975.
gptkbp:patentInventor Robert_H._McDonald.
gptkbp:patentNumber 4,000,965
4,000,965.
gptkbp:patentOffice gptkb:USPTO
USPTO.
gptkbp:patentStatus expired.
gptkbp:patentType utility patent
utility.
US_4,567,890.
US_4,123,456.
gptkbp:priorityDate January 31, 1975
gptkbp:relatedPatent gptkb:US_4,123,456
US_4,567,890
gptkbp:relatedTo renewable energy
gptkbp:researchField hydrogen energy
gptkbp:status expired
gptkbp:subclass Electrolysis
gptkbp:technology electrolytic hydrogen production
gptkbp:title Method for the production of hydrogen from water