Patent US2463412A successfully refreshed from Google Patents.
US2463412A
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Electric resistance heat-treating of electroplated coatings
Assignee: Individual
•
Filing: 1942-07-25
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Granted: 1949-03-01
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Expires: 1962-07-25
Abstract
No abstract record available.
Inventors
- 👤 John S Nachtman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:22
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/48; C25D5/50; C25D5/505; C25D7/00; C25D7/06; C25D7/0614
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1721350A
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US1811522A
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US2085543A
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FR807170A
Cited
GB457780A
Cited
US2162692A
Cited
US2266330A
Cited
US2200887A
Cited
US2357126A
Cited
US2274963A
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US2330609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |