Patent US2540396A successfully refreshed from Google Patents.
US2477808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic apparatus for treatment of moving strip
Assignee: Individual
•
Filing: 1946-05-08
•
Granted: 1949-08-02
•
Expires: 1966-05-08
Abstract
No abstract record available.
Inventors
- 👤 Carl G Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:37
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/08; 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)
US895163A
Cited
US951365A
Cited
US1412909A
Cited
DE547312C
Cited
US1811409A
Cited
US1974441A
Cited
GB419391A
Cited
US2271735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |