US2965876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compensated sonic echo ranging system
Assignee: Alsacienne de Constructions Mecaniques SA
•
Filing: 1954-10-25
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Granted: 1960-12-20
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Expires: 1974-10-25
Abstract
No abstract record available.
Inventors
- 👤 Meunier Gaston
- 👤 Bruant Claude
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:55
CPC Classifications
H; H04; H04B; H04B11/00; G; G01; G01S; G01S15/00; G01S15/02; G01S15/06; G01S15/08; G01S15/10; G01S15/101; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/188; G06G7/32; G06G7/38; G06G7/48; Y; Y10; Y10S; Y10S367/00; Y10S367/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2760180A
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 |