US2803743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for regulating the speed of vehicles
Assignee: LES VEHICULES GUIDES SUR PNEUMATIQUES
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Filing: 1952-02-26
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Granted: 1957-08-20
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Expires: 1972-02-26
Abstract
No abstract record available.
Inventors
- 👤 Ballerait Marcel Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:03
CPC Classifications
B; B61; B61L; B61L3/00; B61L3/16; B61L3/22; B61L3/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1848903A
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US1794593A
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US1875942A
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US1836330A
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US2317400A
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US2493755A
Cited
US2576424A
Cited
US2492388A
Cited
US2661070A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |