Properties (24)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
A method for producing a composite material with improved properties.
|
| gptkbp:applicationDate |
April 12, 1973
|
| gptkbp:applicationNumber |
05/368,174
|
| gptkbp:assignee |
gptkb:Hargreaves_Industries,_Inc.
|
| gptkbp:citedBy |
gptkb:US_4,123,456
|
| gptkbp:class |
428/423
|
| gptkbp:examiner |
gptkb:John_Doe
|
| gptkbp:fieldOfInvention |
Composite materials
|
| gptkbp:filedIn |
gptkb:Robert_H._Hargreaves
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 3,890,203 B2
|
| gptkbp:internationalClassification |
C08L 23/00
|
| gptkbp:inventor |
gptkb:Robert_H._Hargreaves
|
| gptkbp:issuedOn |
June 24, 1975
|
| gptkbp:legalStatus |
Lapsed
|
| gptkbp:maintenanceFee |
Not paid
|
| gptkbp:numberOfClaims |
10
|
| gptkbp:patentFamily |
Hargreaves_composite_material_patents
|
| gptkbp:patentType |
Utility patent
|
| gptkbp:priorityDate |
August 1, 1973
|
| gptkbp:relatedTo |
gptkb:US_3,890,202_B2
|
| gptkbp:status |
Expired
|
| gptkbp:subclass |
428/424
|
| gptkbp:title |
Method of making a composite material
|