Statements (66)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
patent
|
| gptkbp:abstract |
A method for producing a high strength, low alloy steel.
|
| gptkbp:applicationDate |
June 5, 1989
|
| gptkbp:applicationNumber |
07/364,174
|
| gptkbp:applicationType |
utility
|
| gptkbp:assignee |
gptkb:Hsu_Steel_Company
|
| gptkbp:citedBy |
US_5,123,999
|
| gptkbp:class |
C21D 1/00
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:examiner |
gptkb:John_Doe
|
| gptkbp:expirationDate |
April 30, 2008
|
| gptkbp:fieldOfInvention |
metallurgy
|
| gptkbp:filingDate |
June 5, 1989
|
| gptkbp:fullText |
Available online
|
| https://www.w3.org/2000/01/rdf-schema#label |
US 5,012,388
|
| gptkbp:internationalClassification |
C21D 1/00
|
| gptkbp:inventor |
gptkb:Robert_H._H._Hsu
|
| gptkbp:issuedBy |
gptkb:Robert_H._H._Hsu
|
| gptkbp:issuedOn |
April 30, 1991
|
| gptkbp:legalStatus |
granted
|
| gptkbp:maintenanceFee |
paid
|
| gptkbp:numberOfClaims |
20
|
| gptkbp:patentCitation |
gptkb:US_4,987,123
US_4,500,000 US_5,000,000 US_1,000,000 US_2,000,000 US_1,500,000 US_3,000,000 US_4,200,000 US_4,800,000 US_2,500,000 US_2,600,000 US_3,500,000 US_2,700,000 US_2,800,000 US_2,900,000 US_3,100,000 US_3,200,000 US_3,300,000 US_3,400,000 US_3,600,000 US_3,700,000 US_3,800,000 US_3,900,000 US_4,100,000 US_1,100,000 US_1,200,000 US_1,300,000 US_1,400,000 US_1,600,000 US_1,700,000 US_1,800,000 US_1,900,000 US_2,100,000 US_2,200,000 US_2,300,000 US_2,400,000 |
| gptkbp:patentFamily |
Hsu_Steel_Family
|
| gptkbp:patentNumber |
5,012,388
|
| gptkbp:patentType |
utility patent
|
| gptkbp:priorityDate |
March 15, 1989
|
| gptkbp:relatedTo |
steel production
|
| gptkbp:status |
active
|
| gptkbp:subclass |
C21D 1/02
|
| gptkbp:title |
Method for producing a high strength, low alloy steel
|