US962019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diving-bell apparatus for submarine work.
Assignee: Individual
•
Filing: 1909-09-30
•
Granted: 1910-06-21
•
Expires: 1929-09-30
Abstract
No abstract record available.
Inventors
- 👤 John Garnar Flood
- 👤 William George Fitzgerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:13
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/34; B63C11/36; B63C11/38
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1913-06-20 | 1913-12-20 | 1914-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-06-20 | 1917-12-20 | 1918-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-06-20 | 1921-12-20 | 1922-06-21 | $7700.00 | Window Closed / Lapsed |