US2515043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety switch
Assignee: United States Department of the Navy
•
Filing: 1943-05-01
•
Granted: 1950-07-11
•
Expires: 1963-05-01
Abstract
No abstract record available.
Inventors
- 👤 James D Jordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:06
CPC Classifications
F; F42; F42C; F42C19/00; F42C19/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE305015C
Cited
US1107461A
Cited
US1172636A
Cited
GB129041A
Cited
US1496271A
Cited
DE412466C
Cited
US1896798A
Cited
US2167197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |