Patent US3592632A successfully refreshed from Google Patents.
US3592632A
Expired / Lapsed
US
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High temperature nickel-chromium-iron alloys particularly suitable for steam power applications
Assignee: Huntington Alloys Corp
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Filing: 1966-07-14
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Granted: 1971-07-13
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Expires: 1986-07-14
Abstract
Abstract A NICKEL-IRON-CHROMIUM ALLOY CONTAINING MOLYBDENUM AND/OR TUNGSTEN AND BENEFICIALLY ALUMINUM, TITANIUM AND CARBON, THE CONSTITUENTS BEING SO CORRELATED AS TO PROVIDE HYGHLY USEFUL PLROPERTIES WHICH ENABLE THE ALLOY TO BE USED FOR SUCH APPLICATIONS AS SUPERHEATER TUBES.
Inventors
- 👤 Robert C Gibson
- 👤 Glenn W Tuffnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:30
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/40; C22C38/48; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/056; C22C38/44
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) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |