US2736892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Echo ranging
Assignee: MORAN INSTRUMENT CORP
•
Filing: 1950-12-14
•
Granted: 1956-02-28
•
Expires: 1970-12-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert B Moran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:32
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/282; G01S1/00; G01S1/02; G01S1/08; G01S1/20; G01S1/24; G01S15/00; G01S15/74
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2237193A
Cited
US2444426A
Cited
US2531412A
Cited
US2415359A
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US2425316A
Cited
US2415918A
Cited
US2548813A
Cited
US2554893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |