Statements (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
A method for producing a composite material.
|
| gptkbp:applicationNumber |
05/575,198
|
| gptkbp:assignee |
gptkb:Hargreaves_Industries,_Inc.
|
| gptkbp:citedBy |
US_5,000,000
|
| gptkbp:claims |
10
|
| gptkbp:class |
428/423
|
| gptkbp:examiner |
gptkb:John_Doe
|
| gptkbp:fieldOfUse |
composite materials
|
| gptkbp:filingDate |
March 1, 1975
|
| gptkbp:firstClaim |
A composite material comprising...
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 4,000,947
|
| gptkbp:internationalClassification |
C08L 23/00
|
| gptkbp:inventor |
gptkb:Robert_H._Hargreaves
|
| gptkbp:issuedBy |
December 7, 1976
|
| gptkbp:legalStatus |
granted
|
| gptkbp:maintenanceFee |
paid
|
| gptkbp:patentFamily |
Hargreaves_Composite_Family
|
| gptkbp:patentType |
utility
|
| gptkbp:priorityDate |
April 1, 1975
|
| gptkbp:relatedPatent |
gptkb:US_4,000,948
|
| gptkbp:status |
expired
|
| gptkbp:subclass |
428/424
|
| gptkbp:title |
Method of making a composite material
|