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US2631948A
Expired / Lapsed
US
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Method and apparatus for gas plating
Assignee: Commonwealth Engineering Company of Ohio
•
Filing: 1949-05-23
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Granted: 1953-03-17
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Expires: 1969-05-23
Abstract
No abstract record available.
Inventors
- 👤 Hans G Belitz
- 👤 Oliver F Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:29
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/44; C23C16/455; C23C16/45563
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE METHOD OF PLATING A STEEL CYLINDRICAL SHAFT WHICH COMPRISES ROTATING SAID SHAFT, PROVIDING A PROTECTED SURFACE AREA OF SAID SHAFT WHERE INERT GAS ATMOSPHERE PREVENTS INGRESS OF AIR TO THE PLATING AREA, HEATING SAID SHAFT TO A TEMPERATURE IN A GIVEN DIRECTION UPON SAID F., IMPINGING A GIVEN DIRECTION UPON SAID HEATED SURFACE AREA A VAPOR STREAM CONSISTING OF CARBON DIOXIDE AND NICKEL CARBONYL, AND REMOVING THE CARBON DIOXIDE AND NICKEL CARBONYL DECOMPOSITION PRODUCTS UNDER CONDITIONS TO MAIN-
Claim 2
Independent Claim
79 words
THE METHOD OF PLATING A STEEL CYLINDRICAL SHAFT WHICH COMPRISES ROTATING SAID SHAFT, PROVIDING A PROTECTED SURFACE AREA OF SAID SHAFT WHERE INERT GAS ATMOSPHERE PREVENTS INGRESS OF AIR TO THE PLATING AREA, HEATING SAID SHAFT TO A TEMPERATURE IN A GIVEN DIRECTION UPON SAID F., IMPINGING A GIVEN DIRECTION UPON SAID HEATED SURFACE AREA A VAPOR STREAM CONSISTING OF CARBON DIOXIDE AND NICKEL CARBONYL, AND REMOVING THE CARBON DIOXIDE AND NICKEL CARBONYL DECOMPOSITION PRODUCTS UNDER CONDITIONS TO MAIN-
References Cited (Backward Citations)
US1256599A
Cited
US1497417A
Cited
US1617166A
Cited
US1496309A
Cited
US1978415A
Cited
US2295702A
Cited
US2332309A
Cited
US2344138A
Cited
US2440135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |