Patent US2711802A successfully refreshed from Google Patents.
US2711802A
Expired / Lapsed
US
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Fluid cooled brake
Assignee: Individual
•
Filing: 1951-06-04
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Granted: 1955-06-28
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Expires: 1971-06-04
Abstract
No abstract record available.
Inventors
- 👤 Douglas P Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:39
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/02; F16D55/22; F16D55/228; F16D65/00; F16D65/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE243557C
Cited
US854720A
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FR514638A
Cited
US1875095A
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US2105867A
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US2399010A
Cited
US2407699A
Cited
US2400225A
Cited
US2417156A
Cited
US2517973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-27 | 1958-12-27 | 1959-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-27 | 1962-12-27 | 1963-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-27 | 1966-12-27 | 1967-06-28 | $7700.00 | Window Closed / Lapsed |