Patent US2744010A successfully refreshed from Google Patents.
US2744010A
Expired / Lapsed
US
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High temperature co-cr alloys
Assignee: Motors Liquidation Co
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Filing: 1951-02-12
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Granted: 1956-05-01
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Expires: 1971-02-12
Abstract
No abstract record available.
Inventors
- 👤 Samuel R Callaway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:39
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/07
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
51 words
A HIGH TEMPERATURE CREEP-RESISTANT ALLOY CHARACTERIZED BY HIGH ROOM-TEMPERATURE DUCTILITY CONSISTING OF 0.05% TO 1.0% CARBON, 0.3% TO 1.25% MANGANESE, 0.3% TO 1.1% SILICON, 12.0% TO 15.0% NICKEL, 18.0% TO 24.0% CHROMIUM, 8.0% TO 12.0% TUNGSTEN, 0.0% TO 5.5% IRON, 0.015% TO 0.09% BORON, AND THE BALANCE COBALT PLUS INCIDENTAL IMPURITIES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |