US2541032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure operated disk brake with automatic wear compensation
Assignee: Dunlop Rubber Co Ltd
•
Filing: 1946-09-14
•
Granted: 1951-02-13
•
Expires: 1966-09-14
Abstract
No abstract record available.
Inventors
- 👤 Butler Henry James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:33
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/54; F16D65/02; F16D2065/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2146009A
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US2138206A
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US2234689A
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US2371554A
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US2274885A
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US2358740A
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US2319231A
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US2366093A
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US2419113A
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US2392970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |