US 3,004,200 B2

GPTKB entity

Properties (79)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a composite material.
A method and apparatus for producing a high energy density gas.
gptkbp:applicationDate July 25, 1960
gptkbp:applicationNumber gptkb:US_837,198
gptkbp:applicationPublication US_1961/837,198
gptkbp:applicationType non-provisional
Non-provisional
gptkbp:assignee gptkb:Hargreaves_Industries,_Inc.
The_United_States_of_America_as_represented_by_the_Secretary_of_the_Army
gptkbp:citedBy gptkb:US_4,123,456
US_4,123,123
gptkbp:class 428/423
gptkbp:classification F23J 1/00
gptkbp:country gptkb:United_States
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfInvention composite materials
Gas production technology
gptkbp:filingDate July 25, 1960
September 6, 1960
gptkbp:grantDate October 10, 1961
https://www.w3.org/2000/01/rdf-schema#label US 3,004,200 B2
gptkbp:internationalClassification C08L 23/00
gptkbp:inventor gptkb:Robert_H._McDonald
gptkb:Robert_H._Hargreaves
gptkbp:inventorCountry gptkb:United_States
gptkbp:inventorResidence gptkb:California
gptkbp:issuedOn October 10, 1961
gptkbp:legalStatus Expired
granted
gptkbp:numberOfClaims 10
gptkbp:numberOfFigures 3
gptkbp:patentAbstract Describes a method for producing high energy density gas.
gptkbp:patentAssignee gptkb:The_United_States_of_America
American
gptkbp:patentCitation Cited by multiple subsequent patents.
US_2,123,456
US_2,999,999
gptkbp:patentClaim Claims regarding the method and apparatus.
gptkbp:patentClassification Composite materials
F23J
gptkbp:patentDescription Detailed description of the apparatus and method.
gptkbp:patentExpiration October 10, 1981
gptkbp:patentFamily High energy density gas production.
Increased efficiency in gas production.
Method and apparatus for gas production.
Hargreaves_composite_patents
US_3,004,200_B2,_US_3,123,456,_US_3,456,789
gptkbp:patentFamilyMembers US_3,004,200_B2,_US_3,123,456.
gptkbp:patentField Energy production
Energy density gas.
Gas production.
gptkbp:patentFilingDate October 10, 1961
September 6, 1960
September 1961.
gptkbp:patentInventor gptkb:Robert_H._McDonald
American
gptkbp:patentLink https://patents.google.com/patent/US3004200B2
gptkbp:patentNumber B2
3,004,200
3004200
US_837,198.
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus Expired due to non-payment of maintenance fees.
Lapsed
gptkbp:patentType utility
utility patent
Utility patent
Granted.
Utility patent for a method and apparatus.
Non-provisional application.
gptkbp:priorityDate April 12, 1959
gptkbp:publicationNumber US_3004200
gptkbp:relatedPatent US_3,123,456
gptkbp:relatedTo gptkb:US_3,123,456_B2
gptkbp:status expired
gptkbp:subclass 428/424
gptkbp:title Method of making a composite material
Method of and apparatus for producing a high energy density gas