Patent US2961312A successfully refreshed from Google Patents.
US2961312A
Expired / Lapsed
US
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Cobalt-base alloy suitable for spray hard-facing deposit
Assignee: Union Carbide Corp
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Filing: 1959-05-12
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Granted: 1960-11-22
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Expires: 1979-05-12
Abstract
No abstract record available.
Inventors
- 👤 Jerome K Elbaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:11
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/07; C23; C23C; C23C30/00; C23C4/00; C23C4/04; C23C4/06; C23C4/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A COBALT-BASE ALLOY CONTAINING, BY WEIGHT PERCENT, 15 TO 30 CHROMIUM, 2 TO 10 TUNGSTEN,0.8 TO 3 SILICON, 1.5 TO 5.0 BORON, UP TO 5 PERCENT IN THE AGGREGATE OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF IRON, NICKEL, VANADIUM, AND MOLYBDENUM, UP TO 0.1 CARBON, AND THE BALANCE COBALT AND INCIDENTAL IMMPURITIES.
Claim 2
Dependent Claim
56 words
A COBALT-BASE ALLOY CONTAINING, BY WEIGHT PERCENT, 15 TO 30 CHROMIUM, 2 TO 10 TUNGSTEN,0.8 TO 3 SILICON, 1.5 TO 5.0 BORON, UP TO 5 PERCENT IN THE AGGREGATE OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF IRON, NICKEL, VANADIUM, AND MOLYBDENUM, UP TO 0.1 CARBON, AND THE BALANCE COBALT AND INCIDENTAL IMMPURITIES.
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) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |