Patent US2717957A successfully refreshed from Google Patents.
US2717957A
Expired / Lapsed
US
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Snow, ice, and sleet sensing device
Assignee: AMERICAN INSTR CO Inc
•
Filing: 1951-05-03
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Granted: 1955-09-13
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Expires: 1971-05-03
Abstract
No abstract record available.
Inventors
- 👤 Carlton E Ohlheiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:10
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/02; Y; Y10; Y10S; Y10S239/00; Y10S239/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2295570A
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US2269019A
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US2329423A
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US2357371A
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US2358406A
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US2375456A
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US2468791A
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US2553060A
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US2611643A
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US2490965A
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US2564597A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |