US3594239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating unique martensitic alloys
Assignee: United States Department of the Navy
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Filing: 1968-02-26
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Granted: 1971-07-20
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Expires: 1988-02-26
Abstract
Abstract A METHOD OF STABLIZING AN ALLOY FROM THE CLASS CONSISTING OF TINI,TICO, TIFE, TINIXCO1-X AND TICOXFE1-X BY ANNEALING IT AT 650* TO 700*C. AND COOLING IT SLOWLY TO A TEMPERATURE AT WHICH THE ALLOY DOES NOT UNDERGO THERMAL CYCLING. D R A W I N G
Inventors
- 👤 Frederick E Wang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:24
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/006
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) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |