Patent US3526438A successfully refreshed from Google Patents.
US3526438A
Expired / Lapsed
US
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Couplings for brake system
Assignee: Girling Ltd
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Filing: 1969-01-29
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Granted: 1970-09-01
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Expires: 1989-01-29
Abstract
No abstract record available.
Inventors
- 👤 Michael J England
- 👤 Derrick Donnell
- 👤 Eric C Hales
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:37
CPC Classifications
B; B60; B60T; B60T15/00; B60T15/02; B60T15/04; B60T15/041; B60T11/00; B60T11/10; B60T11/108; B60T11/16; B60T11/18; B60T13/00; B60T13/10; B60T13/12; B60T13/14; B60T13/141; B60T13/148; B60T13/16; B60T13/22; B60T15/043; B60T17/00; B60T17/04; B60T7/00; B60T7/12; B60T7/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE705773C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |