Patent US2855296A successfully refreshed from Google Patents.
US2855296A
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Method of sintering nickel powder onto stainless steel
Assignee: Motors Liquidation Co
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Filing: 1955-08-17
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Granted: 1958-10-07
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Expires: 1975-08-17
Abstract
No abstract record available.
Inventors
- 👤 Roland P Koehring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:12
CPC Classifications
C; C23; C23C; C23C26/00; B; B22; B22F; B22F7/00; B22F7/02; B22F7/04; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/941; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12139; Y10T428/12146; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12937
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN A METHOD FOR SINTERING AND BONDING A LAYER OF NICKEL POWDER IN THE SUBSTANTIALLY NON-COMPACTED CONDITION ONTO THE SURFACE OF A STAINLESS STEEL SUPPORTING BACK, THE STEPS COMPRISING; DEPOSITING A UNIFORM LAYER OF ELECTROLESS NICKEL PHOSPHIDE COEXTENSIVELY ONTO THE SURFACE OF THE STEEL, DISTRIBUTING A LAYER OF NICKEL POWDER ONTO SAID SURFACE, AND THEN HEATING THE ASSEMBLY TO A TEMPERATURE OF ABOUT 1650*F. FOR A PERIOD OF ABOUT ONE HOUR UNDER SUITABLE ATMOSPHERIC CONDITIONS TO CAUSE SUBSTANTIALLY COMPLETE DIFFUSION OF SAID METAL PHOSPHIDE INTO BOTH SAILD STAINLESS STEEL AND SAID NICKEL WHEREBY THE PARTICLES OF THE NICKEL POWDER ARE BONDED TOGETHER AND ARE STRONGLY BONDED TO THE SURFACE OF THE STAINLESS STEEL BACK.
Claim 2
Dependent Claim
114 words
IN A METHOD FOR SINTERING AND BONDING A LAYER OF NICKEL POWDER IN THE SUBSTANTIALLY NON-COMPACTED CONDITION ONTO THE SURFACE OF A STAINLESS STEEL SUPPORTING BACK, THE STEPS COMPRISING; DEPOSITING A UNIFORM LAYER OF ELECTROLESS NICKEL PHOSPHIDE COEXTENSIVELY ONTO THE SURFACE OF THE STEEL, DISTRIBUTING A LAYER OF NICKEL POWDER ONTO SAID SURFACE, AND THEN HEATING THE ASSEMBLY TO A TEMPERATURE OF ABOUT 1650*F. FOR A PERIOD OF ABOUT ONE HOUR UNDER SUITABLE ATMOSPHERIC CONDITIONS TO CAUSE SUBSTANTIALLY COMPLETE DIFFUSION OF SAID METAL PHOSPHIDE INTO BOTH SAILD STAINLESS STEEL AND SAID NICKEL WHEREBY THE PARTICLES OF THE NICKEL POWDER ARE BONDED TOGETHER AND ARE STRONGLY BONDED TO THE SURFACE OF THE STAINLESS STEEL BACK.
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) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |