Patent US2570235A successfully refreshed from Google Patents.
US2570235A
Expired / Lapsed
US
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Device for measurement of the distances of obstacles
Assignee: International Standard Electric Corp
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Filing: 1946-06-01
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Granted: 1951-10-09
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Expires: 1966-06-01
Abstract
No abstract record available.
Inventors
- 👤 Rene A E Higonnet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:55
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/32; G01S13/34; G01S13/343; G01S1/00; G01S1/02; G01S13/10; G01S13/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1585591A
Cited
US2206896A
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US2404527A
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US2280109A
Cited
US2512330A
Cited
US2467455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |