US3368519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Audible signal for disk brakes
Assignee: ZF Active Safety US Inc
•
Filing: 1964-09-28
•
Granted: 1968-02-13
•
Expires: 1984-09-28
Abstract
No abstract record available.
Inventors
- 👤 Anthony E Ruda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:53
CPC Classifications
F; F16; F16D; F16D66/00; F16D66/02; F16D55/00; F16D55/02; F16D55/22; F16D55/228; F16D65/00; F16D65/02; F16D65/04; F16D65/092; F16D65/095; F16D2055/0075; F16D2055/0091
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1875645A
Cited
US2398006A
Cited
US2657772A
Cited
US3055456A
Cited
US3190397A
Cited
US3141524A
Cited
US3168167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |