US2711802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid cooled brake
Assignee: Individual
•
Filing: 1951-06-04
•
Granted: 1955-06-28
•
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 03:52
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
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US854720A
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FR514638A
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US1875095A
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US2105867A
Cited
US2399010A
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US2407699A
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US2400225A
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US2417156A
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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 |