US1367708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submarine propulsion system
Assignee: Individual
•
Filing: 1915-04-26
•
Granted: 1921-02-08
•
Expires: 1935-04-26
Abstract
No abstract record available.
Inventors
- 👤 Robert V Morse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:07
CPC Classifications
B; B63; B63G; B63G8/00; B63G8/08; B63H; B63H21/00; B63H21/20; B63H2021/202; B63H2021/205; Y; Y02; Y02T; Y02T70/00; Y02T70/50; Y02T70/5218; Y02T70/5236; Y10; Y10S; Y10S60/00; Y10S60/911
Claims Analysis
Total Claims: 0
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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) | 1924-02-08 | 1924-08-09 | 1925-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-02-08 | 1928-08-09 | 1929-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-02-08 | 1932-08-09 | 1933-02-08 | $7700.00 | Window Closed / Lapsed |