US1693661A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Percussion and hydrostatic fuse
Assignee: Vickers Ltd
•
Filing: 1926-07-07
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Granted: 1928-12-04
•
Expires: 1946-07-07
Abstract
No abstract record available.
Inventors
- 👤 Ogden Amos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:51
CPC Classifications
F; F42; F42C; F42C9/00; F42C9/14; F42C1/00; F42C1/02; F42C1/04; F42C5/00
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) | 1931-12-04 | 1932-06-04 | 1932-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-12-04 | 1936-06-04 | 1936-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-12-04 | 1940-06-04 | 1940-12-04 | $7700.00 | Window Closed / Lapsed |