Patent US2726385A successfully refreshed from Google Patents.
US2726385A
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US
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Double lobe pulse echo locator display
Assignee: Individual
•
Filing: 1942-11-28
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Granted: 1955-12-06
•
Expires: 1962-11-28
Abstract
No abstract record available.
Inventors
- 👤 James R Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:02
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S1/00; G01S1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1892220A
Cited
US1892431A
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US1981350A
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US2083242A
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US2109475A
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US2231929A
Cited
US2189549A
Cited
US2312203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |