US3595710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Erosion resistant dispersion hardened metals
Assignee: Fansteel Inc
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Filing: 1968-10-25
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Granted: 1971-07-27
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Expires: 1988-10-25
Abstract
Abstract DISPERSION HARDENED METALS BASED ON NICKEL OR COBALT CONTAINING A SMALL PROPORTION OF NICKEL AND CHROMIUM ARE MODIFIED TO IMPROVE HIGH TEMPEATURE EROSION RESISTANCE BY THE INCLUSION OF A LARGE PROPORTION ON IRON.
Inventors
- 👤 John B Lambert
- 👤 Harold G Marsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:37
CPC Classifications
C; C22; C22C; C22C32/00; C22C32/001; C22C32/0015; C22C32/0026; Y; Y10; Y10S; Y10S148/00; Y10S148/902
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) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |