Patent US3489239A successfully refreshed from Google Patents.
US3489239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automotive speed control system
Assignee: Individual
•
Filing: 1967-01-06
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Granted: 1970-01-13
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Expires: 1987-01-06
Abstract
No abstract record available.
Inventors
- 👤 Robert H Thorner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:40
CPC Classifications
B; B60; B60K; B60K31/00; B60K31/12; F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0225; F02D2700/0228; F02D2700/023; F02D2700/0238
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2737165A
Cited
US2969076A
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US2990825A
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US3003475A
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US3153325A
Cited
US3183993A
Cited
US3213872A
Cited
US3100021A
Cited
US3120874A
Cited
US3305042A
Cited
US3322227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |