US3490565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston assembly for dual-network disk-brake system
Assignee: Continental Teves AG and Co OHG
•
Filing: 1967-11-08
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Granted: 1970-01-20
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Expires: 1987-11-08
Abstract
No abstract record available.
Inventors
- 👤 Helmut Marschall
- 👤 Wolfgang Kammermayer
- 👤 Hans Albert Beller
- 👤 Juan Belart
- 👤 Heinz Hahm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:17
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/24; B60T11/16; B60T11/20; B60T11/203; F; F16; F16D; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/225; F16D55/226; F16D55/2262; F16D55/228; F16D65/00; F16D65/14; F16D65/16; F16D65/18; F16D65/38; F16D65/40; F16D65/52; F16D65/56; F16D65/567; F16D2055/0004; F16D2055/0016; F16D2055/0025; F16D2121/00; F16D2121/02; F16D2123/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2497438A
Cited
US3158230A
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FR1338610A
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FR1335769A
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US3337009A
Cited
US3372778A
Cited
US3312313A
Cited
US3329244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-19 | 1973-07-21 | 1974-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-19 | 1977-07-21 | 1978-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-19 | 1981-07-21 | 1982-01-20 | $7700.00 | Window Closed / Lapsed |