US2823279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detector for highway vehicle traffic
Assignee: Individual
•
Filing: 1954-09-13
•
Granted: 1958-02-11
•
Expires: 1974-09-13
Abstract
No abstract record available.
Inventors
- 👤 Edward J Schulenburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:20
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/02; H01H3/14; H01H3/141; H01H3/142; G; G08; G08G; G08G1/00; G08G1/01; G08G1/02; H01B; H01B7/00; H01B7/10; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1795907A
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US1998942A
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US2173089A
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US2213409A
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US2181728A
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US2156715A
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US2244933A
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US2138549A
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US2639344A
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US2728827A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |