US3019730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Induction mine firing and timing system
Assignee: Individual
•
Filing: 1947-01-17
•
Granted: 1962-02-06
•
Expires: 1967-01-17
Abstract
No abstract record available.
Inventors
- 👤 Wilson R Maltby
- 👤 Robert H Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:55
CPC Classifications
F; F42; F42C; F42C13/00; F42C13/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |