US3582480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat treating process for improving high temperature ductility of electrodeposited ni and ni alloys
Assignee: United States Department of the Navy
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Filing: 1969-06-02
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Granted: 1971-06-01
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Expires: 1989-06-02
Abstract
Abstract A HEAT TREATING PROCESS FOR ELIMINATING HIGH TEMPERATURE EMBRITTLEMENT INTRINSIC TO ELECTROPLATED NICKEL. THE TREATMENT IS CARRIED OUT IN A VACUUM FOR PERIODS OF TWENTY HOURS OR MORE AND AT TEMPERATURES BETWEEN 1000*1250* C.
Inventors
- 👤 Juan Chorne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:49
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/48; C25D5/50
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) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |