US2758172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle speed signal device
Assignee: Individual
•
Filing: 1951-08-06
•
Granted: 1956-08-07
•
Expires: 1971-08-06
Abstract
No abstract record available.
Inventors
- 👤 Edward J Kromholz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:13
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/50; B60Q1/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2234309A
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US2307151A
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US2496169A
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US2418373A
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US2610314A
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US2463357A
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US2555703A
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US2677539A
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US2628294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |