US 4000029 B2

URI: https://gptkb.org/entity/US_4000029_B2
GPTKB entity
Properties (61)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing a composite material.
gptkbp:applicationNumber 05/575,198
gptkbp:applicationPublicationNumber US_4000029_A1
gptkbp:applicationStatus Abandoned
gptkbp:applicationType Utility
gptkbp:assignee gptkb:Hargreaves_Industries,_Inc.
gptkbp:citedBy gptkb:US_4000030_B2
gptkbp:class C08L 23/00
gptkbp:country gptkb:United_States
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfInvention Composite materials
gptkbp:filingDate 1975-04-30
gptkbp:grantDate 1977-12-06
https://www.w3.org/2000/01/rdf-schema#label US 4000029 B2
gptkbp:internationalClassification C08L 23/00
gptkbp:inventor gptkb:Robert_H._Hargreaves
gptkbp:inventorCountry gptkb:United_States
gptkbp:issuedBy 1977-12-06
gptkbp:language English
gptkbp:legalStatus Expired due to failure to pay maintenance fees.
gptkbp:numberOfClaims 10
gptkbp:patentAbstract English.
A method for producing a composite material.
gptkbp:patentAssignee gptkb:Hargreaves_Industries,_Inc.
United_States.
Robert_H._Hargreaves.
gptkbp:patentCitation gptkb:US_4000030_B2
US_4000030_B2.
gptkbp:patentClaim 10.
gptkbp:patentClassification C08L 23/00.
C08L.
gptkbp:patentDescription A method for producing a composite material.
gptkbp:patentExpiration 1994-12-06
1994-12-06.
gptkbp:patentFamily US_4000029_B2,_US_4000030_B2
gptkbp:patentFamilyMembers US_4000029_B2,_US_4000030_B2.
gptkbp:patentField Composite materials.
gptkbp:patentFilingDate 1975-04-30
1977-12-06
B2.
1975-04-30.
1975-05-05.
1977-12-06.
gptkbp:patentInventor John_Doe.
United_States.
Robert_H._Hargreaves.
gptkbp:patentNumber 10.
B2.
05/575,198.
4000029
gptkbp:patentStatus Expired.
gptkbp:patentType Utility Patent
Utility.
Abandoned.
gptkbp:priorityDate 1975-05-05
gptkbp:publications B2
gptkbp:relatedPatent gptkb:US_4000030_B2
gptkbp:status Expired
gptkbp:subclass C08L
gptkbp:title Method of making a composite material