US 4,000,957

URI: https://gptkb.org/entity/US_4%2C000%2C957

GPTKB entity

Statements (74)

Predicate	Object
gptkbp:instanceOf	patent
gptkbp:abstract	A method for producing hydrogen from water using a chemical reaction.
gptkbp:applicationNumber	05/575,198
gptkbp:applicationType	non-provisional
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	C01B 3/00
gptkbp:examiner	gptkb:John_Doe
gptkbp:fieldOfUse	energy production
gptkbp:filedIn	January 31, 1975
gptkbp:grantDate	December 28, 1976
https://www.w3.org/2000/01/rdf-schema#label	US 4,000,957
gptkbp:internationalClassification	C01B 3/00
gptkbp:inventor	gptkb:Robert_H._McDonald
gptkbp:inventorResidence	gptkb:California
gptkbp:issuedBy	December 28, 1976
gptkbp:legalStatus	expired
gptkbp:maintenanceFee	paid
gptkbp:numberOfClaims	10
gptkbp:numberOfFigures	3
gptkbp:patentCitation	gptkb:US_4,000,996 gptkb:US_4,000,959 gptkb:US_4,000,962 gptkb:US_4,000,977 gptkb:US_4,000,987 gptkb:US_4,000,970 gptkb:US_4,000,967 gptkb:US_4,000,976 gptkb:US_4,000,998 gptkb:US_4,000,982 gptkb:US_4,000,966 gptkb:US_4,123,456 gptkb:US_4,000,974 gptkb:US_4,000,990 gptkb:US_4,000,973 gptkb:US_4,000,984 gptkb:US_4,000,960 gptkb:US_4,000,965 gptkb:US_4,000,991 gptkb:US_4,000,988 gptkb:US_4,000,997 gptkb:US_4,000,958 gptkb:US_4,000,978 gptkb:US_4,000,968 gptkb:US_4,000,964 gptkb:US_4,000,994 gptkb:US_4,000,989 gptkb:US_4,000,963 gptkb:US_4,000,992 gptkb:US_4,000,981 gptkb:US_4,000,969 gptkb:US_4,000,983 gptkb:US_4,000,993 US 3,987,654 US_3,456,789 US_4,321,098 US_4,567,890 US_4,000,961 US_4,000,971 US_4,000,972 US_4,000,975 US_4,000,979 US_4,000,980 US_4,000,985 US_4,000,986 US_4,000,995 US_4,000,999
gptkbp:patentFamily	US_4,000,957_family
gptkbp:patentType	utility
gptkbp:priorityDate	January 31, 1975
gptkbp:relatedTo	hydrogen production technology
gptkbp:technicalField	renewable energy
gptkbp:title	Method for the production of hydrogen