US2965879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound locating means
Assignee: Individual
•
Filing: 1946-02-05
•
Granted: 1960-12-20
•
Expires: 1966-02-05
Abstract
No abstract record available.
Inventors
- 👤 Lippel Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:54
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/72; Y; Y10; Y10S; Y10S367/00; Y10S367/901
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2173219A
Cited
US2304965A
Cited
US2350080A
Cited
US2368953A
Cited
US2349370A
Cited
US2422446A
Cited
US2397746A
Cited
US2411071A
Cited
US2403974A
Cited
US2406014A
Cited
US2434644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |