Patent US2988807A successfully refreshed from Google Patents.
US2988807A
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Method of aluminizing cobalt base alloys and article resulting therefrom
Assignee: Motors Liquidation Co
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Filing: 1959-05-29
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Granted: 1961-06-20
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Expires: 1979-05-29
Abstract
No abstract record available.
Inventors
- 👤 Homer D Boggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:58
CPC Classifications
C; C23; C23C; C23C4/00; C23C4/18; B; B32; B32B; B32B15/00; B32B15/01; C23C4/04; C23C4/06; C23C4/08; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S428/9335; Y10S428/937; Y10S428/941; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/1291
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A METHOD OF PROVIDING A COBALT BASE ALLOY WITH AN ADHERENT HEAT AND CORROSION-RESISTANT COATING ON A SURFACE THEREOF, THE STEPS COMPRISING FLAME SPRAYING A POWDERED MIXTURE CONSISTING SUBSTANTIALLY OF 15% TO 50% BY WEIGHT COPPER AND THE BALANCE ALUMINUM ONTO SAID SURFACE TO FORM A COATING OF AT LEAST ABOUT 0.002 INCH IN THICKNESS AND THEREAFTER SUBJECTING THE COATED BASE METAL TO A HEAT TREATMENT TO CAUSE A DIFFUSION OF SAID COATING INTO THE BASE METAL.
Claim 2
Independent Claim
77 words
A METHOD OF PROVIDING A COBALT BASE ALLOY WITH AN ADHERENT HEAT AND CORROSION-RESISTANT COATING ON A SURFACE THEREOF, THE STEPS COMPRISING FLAME SPRAYING A POWDERED MIXTURE CONSISTING SUBSTANTIALLY OF 15% TO 50% BY WEIGHT COPPER AND THE BALANCE ALUMINUM ONTO SAID SURFACE TO FORM A COATING OF AT LEAST ABOUT 0.002 INCH IN THICKNESS AND THEREAFTER SUBJECTING THE COATED BASE METAL TO A HEAT TREATMENT TO CAUSE A DIFFUSION OF SAID COATING INTO THE BASE METAL.
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) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |