Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
A method for producing a lightweight concrete with high density and strength.
|
| gptkbp:applicationNumber |
08/469,052
|
| gptkbp:assignee |
Hsu_Robert_J_H
|
| gptkbp:citedBy |
US_6287240_B1
US_5785860_A US_5900280_A US_6017310_A US_6176820_B1 |
| gptkbp:claims |
20
|
| gptkbp:examiner |
gptkb:John_Doe
|
| gptkbp:fieldOfInvention |
Construction materials
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 5631863 A
|
| gptkbp:internationalClassification |
C04B28/14
C04B28/18 C04B28/20 C04B28/24 C04B28/26 |
| gptkbp:inventor |
gptkb:Robert_J._H._Hsu
|
| gptkbp:issuedOn |
May 27, 1997
|
| gptkbp:priorityDate |
May 27, 1994
|
| gptkbp:status |
Expired
|
| gptkbp:title |
Method for producing a high density, high strength, low cost, lightweight concrete
|