US3077421A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processes of producing tin-nickelphosphorus coatings
Assignee: General American Transportation Corp
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Filing: 1961-03-13
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Granted: 1963-02-12
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Expires: 1981-03-13
Abstract
No abstract record available.
Inventors
- 👤 Budininkas Pranas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:39
CPC Classifications
C; C23; C23C; C23C16/00; B; B32; B32B; B32B15/00; B32B15/01; B32B15/013; B32B15/015; C22; C22C; C22C19/00; C23C16/06; C23C16/08; C23C16/12; C23C18/00; C23C18/16; C23C18/31; C23C18/32; C23C18/34; C23C18/36; F; F04; F04B; F04B1/00; F04B1/12; F04B1/20; Y; Y10; Y10S; Y10S220/00; Y10S220/917; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12708; Y10T428/12722; Y10T428/12771; Y10T428/12861; Y10T428/12937
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
THE PROCESS OF CONVERTING TO A TIN-NICKEL-PHOSPHOROUS LAYER THE OUTER SKIN OF A NICKEL-PHOSPHOROUS COATING CARRIED BY A WORKPIECE, COMPRISING HEATING THE COATING TO A TEMPERATURE ABOVE THE MELTING POINT OF TIN AND BELOW THE MELTING POINT OF THE NICKEL-PHOSPHORUS COATING, AND SIMULTANEOUSLY REDUCING TO METALLIC TIN A COMPOUND OF TIN UPON THE OUTER SURFACE OF THE HEATED COATING AND DIFFUSING THE TIN INTO THE OUTER SKIN OF THE COATING, THE TIN BEING REDUCED UPON THE OUTER SURFACE OF THE COATING AT A RATE THAT IS NOT HIGHER THAN THE RATE OF DIFFUSING OF THE TIN INTO THE SKIN OF THE COATING.
Claim 2
Dependent Claim
102 words
THE PROCESS OF CONVERTING TO A TIN-NICKEL-PHOSPHOROUS LAYER THE OUTER SKIN OF A NICKEL-PHOSPHOROUS COATING CARRIED BY A WORKPIECE, COMPRISING HEATING THE COATING TO A TEMPERATURE ABOVE THE MELTING POINT OF TIN AND BELOW THE MELTING POINT OF THE NICKEL-PHOSPHORUS COATING, AND SIMULTANEOUSLY REDUCING TO METALLIC TIN A COMPOUND OF TIN UPON THE OUTER SURFACE OF THE HEATED COATING AND DIFFUSING THE TIN INTO THE OUTER SKIN OF THE COATING, THE TIN BEING REDUCED UPON THE OUTER SURFACE OF THE COATING AT A RATE THAT IS NOT HIGHER THAN THE RATE OF DIFFUSING OF THE TIN INTO THE SKIN OF THE COATING.
References Cited (Backward Citations)
US1975818A
Cited
US2867550A
Cited
US2428526A
Cited
US2858959A
Cited
US2955944A
Cited
US2947639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |