US906846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battleship protection by means of concrete.
Assignee: Individual
•
Filing: 1907-05-04
•
Granted: 1908-12-15
•
Expires: 1927-05-04
Abstract
No abstract record available.
Inventors
- 👤 Lorenzo D Adda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:00
CPC Classifications
F; F41; F41H; F41H5/00; F41H5/02; F41H5/04
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) | 1911-12-15 | 1912-06-15 | 1912-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-12-15 | 1916-06-15 | 1916-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-12-15 | 1920-06-15 | 1920-12-15 | $7700.00 | Window Closed / Lapsed |