US2930456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid cooled brake system
Assignee: ERLING D SEDERGREN
•
Filing: 1956-10-17
•
Granted: 1960-03-29
•
Expires: 1976-10-17
Abstract
No abstract record available.
Inventors
- 👤 Roy S Sanford
- 👤 James O Eames
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:56
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/16; B60T13/18; F; F16; F16D; F16D65/00; F16D65/78; F16D65/84; F16D65/853; F16D2065/782; F16D2065/783; F16D2065/784
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1723032A
Cited
US2062500A
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US2267389A
Cited
US2174635A
Cited
US2127557A
Cited
US2406304A
Cited
US2316497A
Cited
US2821273A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |