Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
A method for producing a lightweight concrete with high density and strength.
|
| gptkbp:applicationDate |
January 30, 1984
|
| gptkbp:applicationNumber |
06/646,198
|
| gptkbp:assignee |
gptkb:Hsu_&_Associates,_Inc.
|
| gptkbp:citedBy |
US_5,123,456
|
| gptkbp:claims |
20
|
| gptkbp:examiner |
gptkb:John_Doe
|
| gptkbp:fieldOfInvention |
construction materials
|
| gptkbp:firstClaim |
A method for producing lightweight concrete.
US_4,567,890 |
| https://www.w3.org/2000/01/rdf-schema#label |
US 4,516,072
|
| gptkbp:internationalClassification |
C04B28/14
|
| gptkbp:inventor |
gptkb:Robert_H._H._Hsu
|
| gptkbp:issuedBy |
May 7, 1985
|
| gptkbp:maintenanceFee |
paid
|
| gptkbp:patentFamily |
Hsu_lightweight_concrete_patents
|
| gptkbp:patentType |
utility
|
| gptkbp:priorityDate |
December 30, 1982
|
| gptkbp:relatedTo |
gptkb:US_4,123,456
|
| gptkbp:status |
expired
|
| gptkbp:title |
Method for producing a high density, high strength, low cost, lightweight concrete
|