US3198630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Super strength steel alloy composition and product and process of preparing it
Assignee: Republic Steel Corp
•
Filing: 1961-09-21
•
Granted: 1965-08-03
•
Expires: 1981-09-21
Abstract
No abstract record available.
Inventors
- 👤 James P Tarwater
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 00:29
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/40; C21; C21D; C21D8/00; C22C38/08; C22C38/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A SUPER STRENGTH STEEL ALLOY COMPOSITION, CONSISTING ESSENTIALLY OF THE FOLLOWING:
Claim 2
Dependent Claim
11 words
A SUPER STRENGTH STEEL ALLOY COMPOSITION, CONSISTING ESSENTIALLY OF THE FOLLOWING:
References Cited (Backward Citations)
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US2401580A
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US2534190A
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US2791500A
Cited
US2715576A
Cited
US2879194A
Cited
US2978319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |