US2721629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum means for braking vehicles equipped with a diesel engine
Assignee: Lignes Telegraphiques et Telephoniques LTT SA
•
Filing: 1949-05-02
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Granted: 1955-10-25
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Expires: 1969-05-02
Abstract
No abstract record available.
Inventors
- 👤 Saussard Andre Jean Auguste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:43
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/24; B60T13/46; B60T13/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1741818A
Cited
GB299026A
Cited
US1849113A
Cited
US2057707A
Cited
US2142514A
Cited
US2376937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-24 | 1959-04-25 | 1959-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-24 | 1963-04-25 | 1963-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-24 | 1967-04-25 | 1967-10-25 | $7700.00 | Window Closed / Lapsed |