Patent US3502181A successfully refreshed from Google Patents.
US3502181A
Expired / Lapsed
US
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Dual circuit,self-energizing disc brake
Assignee: Valeo SE
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Filing: 1968-01-08
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Granted: 1970-03-24
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Expires: 1988-01-08
Abstract
No abstract record available.
Inventors
- 👤 Pierre Andre Georg Lepelletier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:20
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/14; F16D65/16; F16D65/18; B; B60; B60T; B60T13/00; B60T13/02; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/225; F16D55/226; F16D65/38; F16D65/40; F16D65/52; F16D65/54; F16D2055/0004; F16D2055/0045; F16D2121/00; F16D2121/02; F16D2123/00; F16D2125/00; F16D2125/02; F16D2125/10; F16D2127/00; F16D2127/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB951602A
Cited
US3137370A
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US3322236A
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US3173517A
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FR1444788A
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US3292739A
Cited
US3277982A
Cited
FR1447007A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |