US3444966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disk brake with button-type shoes and air cooling
Assignee: Dana Inc
•
Filing: 1967-07-14
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Granted: 1969-05-20
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Expires: 1987-07-14
Abstract
No abstract record available.
Inventors
- 👤 Ronald E Braukhoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:40
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/24; F16D55/26; F16D55/36; F16D55/40; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/54; F16D65/78; F16D65/84; F16D2055/0004; F16D2055/0062; F16D2121/00; F16D2121/18; F16D2121/20; F16D2121/22; F16D2125/00; F16D2125/18; F16D2125/20; F16D2125/34; F16D2125/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA714374A
Cited
US2246214A
Cited
US2263945A
Cited
US2550111A
Cited
US2757761A
Cited
US2918990A
Cited
US3005522A
Cited
US3209876A
Cited
US3233704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |