US2881094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of coating with nickel by the decomposition of nickel carbonyl
Assignee: Individual
•
Filing: 1953-07-16
•
Granted: 1959-04-07
•
Expires: 1973-07-16
Abstract
No abstract record available.
Inventors
- 👤 Thomas B Hoover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:30
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/06; C23C16/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
AN IMPROVED PROCESS OF NICKEL PLATING A SURFACE WHICH COMPRISES EFFECTING CONTACT OF SAID SURFACE WITH A MIXTURE COMPRISING NICKEL CARBONYL VAPOR TOGETHER WITH APPROXIMATELY 0.1% TO APPROXIMATELY 1% H2S, BY VOLUME, WHILE MAINTAINING THE SURFACE-GAS INTERFACE DURING SAID CONTACT AT A TEMPERATURE OF APPROXIMATELY 60* C. TO APPROXIMATELY 100* C.
Claim 2
Dependent Claim
51 words
AN IMPROVED PROCESS OF NICKEL PLATING A SURFACE WHICH COMPRISES EFFECTING CONTACT OF SAID SURFACE WITH A MIXTURE COMPRISING NICKEL CARBONYL VAPOR TOGETHER WITH APPROXIMATELY 0.1% TO APPROXIMATELY 1% H2S, BY VOLUME, WHILE MAINTAINING THE SURFACE-GAS INTERFACE DURING SAID CONTACT AT A TEMPERATURE OF APPROXIMATELY 60* C. TO APPROXIMATELY 100* C.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |