US3170399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio remote control mine circuit with no current drain
Assignee: Individual
•
Filing: 1951-05-18
•
Granted: 1965-02-23
•
Expires: 1971-05-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Wilbur S Hinman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:31
CPC Classifications
F; F42; F42C; F42C15/00; F42C15/40; F42C15/42
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |