US3695944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iron cobalt vanadium alloy
Assignee: Allegheny Ludlum Corp
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Filing: 1970-06-17
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Granted: 1972-10-03
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Expires: 1990-06-17
Abstract
Abstract DESCRIBED HEREIN IS A NOVEL AND IMPROVED ALLOY CONTAINING COBALT, IRON AND VANADIUM AND CONTROLLED QUANTITIES OF CARBON.
Inventors
- 👤 Carl P Stroble
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:53
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/07; C22C38/00; C22C38/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |