US2961958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal controlled arming device for a mine
Assignee: Individual
•
Filing: 1944-03-08
•
Granted: 1960-11-29
•
Expires: 1964-03-08
Abstract
No abstract record available.
Inventors
- 👤 John F Toomey
- 👤 Ellis M Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:30
CPC Classifications
F; F42; F42C; F42C15/00; F42C15/44; F42C15/36; F42C15/40; F42C19/00; F42C19/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US588206A
Cited
US738803A
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US833425A
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US1265576A
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US1273158A
Cited
US1382374A
Cited
US1548826A
Cited
GB241941A
Cited
US1689210A
Cited
US1924014A
Cited
US2352226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |