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US2862076A
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Speed signal device
Assignee: Commonwealth Engineering Company of Ohio
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Filing: 1956-11-30
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Granted: 1958-11-25
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Expires: 1976-11-30
Abstract
No abstract record available.
Inventors
- 👤 Frank E Bonner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:39
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/50; B60Q1/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1025559A
Cited
US1045647A
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US1149042A
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US1569223A
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US1679212A
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US2523666A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |