US2682245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Signal and recovering means for underwater craft
Assignee: Individual
•
Filing: 1952-11-07
•
Granted: 1954-06-29
•
Expires: 1972-11-07
Abstract
No abstract record available.
Inventors
- 👤 Harry H Pinch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:54
CPC Classifications
B; B63; B63G; B63G8/00; B63G8/40; B63G8/41; B63B; B63B2205/00; B63B2205/08; B63B2209/00; B63B2209/12; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0908
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) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |