US3403944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Braking pressure modifying device
Assignee: DBA SA
•
Filing: 1967-07-20
•
Granted: 1968-10-01
•
Expires: 1987-07-20
Abstract
No abstract record available.
Inventors
- 👤 Thirion Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:19
CPC Classifications
B; B60; B60T; B60T8/00; B60T8/18; B60T8/1812; B60T8/1831; B60T11/00; B60T11/10; B60T11/28; B60T11/34; B60T8/26; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7782; Y10T137/7793; Y10T137/7822; Y10T137/7823; Y10T137/7825
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2241191A
Cited
US3251186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |