US1312510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound-controlled dirigible torpedo.
Assignee: Individual
•
Filing: 1917-08-25
•
Granted: 1919-08-12
•
Expires: 1937-08-25
Abstract
No abstract record available.
Inventors
- 👤 George Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:34
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/20; F41G7/22; F41G7/2273; F41G7/228
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) | 1922-08-11 | 1923-02-10 | 1923-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-08-11 | 1927-02-10 | 1927-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-08-11 | 1931-02-10 | 1931-08-12 | $7700.00 | Window Closed / Lapsed |