Statements (26)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
A method for producing a composite material with improved properties.
|
| gptkbp:applicationDate |
April 12, 1968
|
| gptkbp:applicationNumber |
gptkb:US_3,555,524
|
| gptkbp:assignee |
gptkb:Hargreaves_Industries,_Inc.
|
| gptkbp:citedBy |
gptkb:US_4,123,456
US_5,678,910 |
| gptkbp:claims |
20
|
| 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 3,555,524 A
|
| gptkbp:internationalClassification |
428/423
C08L 23/00 |
| gptkbp:inventor |
gptkb:Robert_H._Hargreaves
|
| gptkbp:issueDate |
January 19, 1971
|
| gptkbp:issuedOn |
January 19, 1971
|
| gptkbp:patentFamily |
US_3,555,524_A,_US_3,456,789,_US_3,987,654
|
| gptkbp:patentType |
utility
|
| gptkbp:priorityDate |
April 12, 1968
|
| gptkbp:relatedPatent |
US 3,987,654
US_3,456,789 |
| gptkbp:status |
expired
|
| gptkbp:subclass |
428/424
|
| gptkbp:title |
Method of making a composite material
|