Patent US3495678A successfully refreshed from Google Patents.
US3495678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle speed control
Assignee: JOHN A LETTENEY
•
Filing: 1967-11-01
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Granted: 1970-02-17
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Expires: 1987-11-01
Abstract
No abstract record available.
Inventors
- 👤 John A Letteney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:08
CPC Classifications
B; B60; B60K; B60K31/00; B60K31/12; B60K31/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1634069A
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US1824292A
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US2193224A
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US2236145A
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US2272822A
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US2265524A
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US2863962A
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US3077239A
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US3164220A
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US3343625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |