Statements (62)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
A method for producing a composite material with improved properties.
|
| gptkbp:applicationDate |
March 30, 1975
|
| gptkbp:applicationNumber |
05/575,198
|
| gptkbp:applicationType |
non-provisional
|
| gptkbp:assignee |
gptkb:Hargreaves_Industries,_Inc.
|
| gptkbp:citedBy |
gptkb:US_4,123,456_A
gptkb:US_4,567,890_A US_5,000,000_A |
| gptkbp:claims |
10
|
| gptkbp:examiner |
gptkb:John_Doe
|
| gptkbp:fieldOfInvention |
composite materials
|
| gptkbp:filedIn |
gptkb:United_States
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 4,000,068 A
|
| gptkbp:internationalClassification |
C08L 23/00
|
| gptkbp:inventor |
gptkb:Robert_H._Hargreaves
|
| gptkbp:inventorCountry |
gptkb:United_States
|
| gptkbp:issuedOn |
January 4, 1977
|
| gptkbp:legalStatus |
granted
|
| gptkbp:patentCitation |
US 4,300,000 A
US_3,000,000_A US_3,500,000_A US_3,800,000_A US_4,200,000_A US_4,400,000_A US_4,500,000_A US_4,600,000_A US_4,700,000_A US_4,800,000_A US_4,900,000_A US_5,100,000_A US_5,200,000_A US_5,300,000_A US_5,400,000_A US_5,500,000_A US_5,600,000_A US_5,700,000_A US_5,800,000_A US_5,900,000_A US_6,000,000_A US_6,100,000_A US_6,200,000_A US_6,300,000_A US_6,400,000_A US_6,500,000_A US_6,600,000_A US_6,700,000_A US_6,800,000_A US_6,900,000_A US_7,000,000_A |
| gptkbp:patentFamily |
Hargreaves_composite_patents
|
| gptkbp:patentLength |
20 years
|
| gptkbp:patentNumber |
4,000,068
|
| gptkbp:patentOffice |
gptkb:USPTO
|
| gptkbp:patentType |
utility
|
| gptkbp:priorityDate |
April 30, 1975
|
| gptkbp:publications |
A
|
| gptkbp:relatedPatent |
gptkb:US_4,000,069_A
gptkb:US_4,000,070_A |
| gptkbp:status |
expired
|
| gptkbp:subclass |
C08L 23/00
|
| gptkbp:title |
Method of making a composite material
|