US2463412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric resistance heat-treating of electroplated coatings
Assignee: Individual
•
Filing: 1942-07-25
•
Granted: 1949-03-01
•
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 06:01
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/48; C25D5/50; C25D5/505; C25D7/00; C25D7/06; C25D7/0614
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1517910A
Cited
GB189072A
Cited
US1721350A
Cited
US1811522A
Cited
US2085543A
Cited
FR807170A
Cited
GB457780A
Cited
US2162692A
Cited
US2266330A
Cited
US2200887A
Cited
US2357126A
Cited
US2274963A
Cited
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 |