Patent US2776940A successfully refreshed from Google Patents.
US2776940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting for underwater anode for ship's hull
Assignee: Union Carbide Corp
•
Filing: 1953-12-24
•
Granted: 1957-01-08
•
Expires: 1973-12-24
Abstract
No abstract record available.
Inventors
- 👤 John P Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:41
CPC Classifications
B; B63; B63B; B63B59/00; B63B59/04; C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/18; C23F2213/00; C23F2213/30; C23F2213/31
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR749636A
Cited
US2025243A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |