Patent US2788094A successfully refreshed from Google Patents.
US2788094A
Expired / Lapsed
US
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Hydraulic brake system for motor vehicles
Assignee: Individual
•
Filing: 1952-08-05
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Granted: 1957-04-09
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Expires: 1972-08-05
Abstract
No abstract record available.
Inventors
- 👤 John G Knowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:17
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; F; F16; F16D; F16D55/00; F16D55/02; F16D55/04; F16D55/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB474539A
Cited
US2376685A
Cited
US2546367A
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US2414753A
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US2595859A
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US2617620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |