Patent US2633631A successfully refreshed from Google Patents.
US2633631A
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Iron-containing base coated with nickel-phosphorus alloy
Assignee: BRINTON JACK JR G
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Filing: 1948-10-04
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Granted: 1953-04-07
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Expires: 1968-10-04
Abstract
No abstract record available.
Inventors
- 👤 Gerald J Horvitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:05
CPC Classifications
C; C23; C23C; C23C24/00; C23C24/08; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/932; Y10S428/9335; Y10S428/936; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12458; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12937
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1619835A
Cited
US1931704A
Cited
US2071533A
Cited
US2183972A
Cited
GB485977A
Cited
US2234955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |