Patent US3044580A successfully refreshed from Google Patents.
US3044580A
Expired / Lapsed
US
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Braking system
Assignee: Dunlop Rubber Co Ltd
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Filing: 1958-04-16
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Granted: 1962-07-17
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Expires: 1978-04-16
Abstract
No abstract record available.
Inventors
- 👤 Butler Henry James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:07
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/02; F; F16; F16D; F16D55/00; F16D55/02; F16D55/22; F16D55/228
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR561097A
Cited
US1732309A
Cited
US1943842A
Cited
DE663403C
Cited
DE721875C
Cited
GB638332A
Cited
GB725907A
Cited
GB782810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |