US3316625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for coating steel with nickel
Assignee: Huntington Alloys Corp
•
Filing: 1964-06-08
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Granted: 1967-05-02
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Expires: 1984-06-08
Abstract
No abstract record available.
Inventors
- 👤 George N Flint
- 👤 Frank G Haynes
- 👤 Thomas B Ashcroft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:03
CPC Classifications
C; C23; C23C; C23C24/00; C23C24/08; C23C24/082; C23C24/085; C23C24/087; B; B22; B22F; B22F3/00; B22F3/18; B22F7/00; B22F7/02; B22F7/04; G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49982
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A PROCESS FOR PRODUCING AN IMPROVED CORROSION RESISTANT COATING ON STEEL WHICH COMPRISES COATING A FLAT STEEL PRODUCT WITH AN AQUEOUS SLURRY CONTAINING IN SUSPENSION BETWEEN ABOUT 45% TO ABOUT 80% BY WEIGHT OF FINE NICKEL POWDER AND A SMALL AMOUNT UP TO ABOUT 10% BY VOLUME OF INERT PARTICLES HAVING A PARTICLE SIZE FROM ABOUT 0.01 TO ABOUT 50 MICRONS, DRYING THE RESULTING SLURRY COATING, SINTERING THE DRIED COATING, COMPACTING THE SINTERED COATING TO PROVIDE A CONSOLIDATED COATING ON THE STEEL AND CHROMIUM-PLATING AT LEAST A PORTION OF THE RESULTING COATED STEEL TO PROVIDE THEREON A MICRO-POROUS CHROMIUM COATING WHEREBY A COATING HAVING AN IMPROVED RESISTANCE TO CORROSION IS OBTAINED.
Claim 2
Dependent Claim
111 words
A PROCESS FOR PRODUCING AN IMPROVED CORROSION RESISTANT COATING ON STEEL WHICH COMPRISES COATING A FLAT STEEL PRODUCT WITH AN AQUEOUS SLURRY CONTAINING IN SUSPENSION BETWEEN ABOUT 45% TO ABOUT 80% BY WEIGHT OF FINE NICKEL POWDER AND A SMALL AMOUNT UP TO ABOUT 10% BY VOLUME OF INERT PARTICLES HAVING A PARTICLE SIZE FROM ABOUT 0.01 TO ABOUT 50 MICRONS, DRYING THE RESULTING SLURRY COATING, SINTERING THE DRIED COATING, COMPACTING THE SINTERED COATING TO PROVIDE A CONSOLIDATED COATING ON THE STEEL AND CHROMIUM-PLATING AT LEAST A PORTION OF THE RESULTING COATED STEEL TO PROVIDE THEREON A MICRO-POROUS CHROMIUM COATING WHEREBY A COATING HAVING AN IMPROVED RESISTANCE TO CORROSION IS OBTAINED.
References Cited (Backward Citations)
US1922254A
Cited
US2289614A
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GB598653A
Cited
US2681375A
Cited
US2819962A
Cited
US2851354A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |