US2835350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spot brakes
Assignee: Dunlop Rubber Co Ltd
•
Filing: 1953-08-31
•
Granted: 1958-05-20
•
Expires: 1973-08-31
Abstract
No abstract record available.
Inventors
- 👤 Butler Henry James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:21
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/38; F16D65/40; F16D65/52; F16D65/56; F16D65/567; F16D55/00; F16D55/02; F16D55/22; F16D55/224; F16D55/2245; F16D55/24; F16D55/26; F16D55/36; F16D55/40; F16D2055/0004; F16D2055/005; F16D2055/0062; F16D2055/0075; F16D2055/0091; F16D2125/00; F16D2125/18; F16D2125/20; F16D2125/34; F16D2125/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2689024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |