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US2661597A
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US
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Hydraulic control device
Assignee: Wabco Automotive UK Ltd
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Filing: 1950-08-02
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Granted: 1953-12-08
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Expires: 1970-08-02
Abstract
No abstract record available.
Inventors
- 👤 Edge Stanley Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:16
CPC Classifications
B; B60; B60T; B60T13/00; B60T13/10; B60T13/12; B60T13/16; B60T13/161; B60T13/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1921590A
Cited
US2136318A
Cited
GB476490A
Cited
US2343698A
Cited
US2410269A
Cited
US2499775A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-07 | 1957-06-08 | 1957-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-07 | 1961-06-08 | 1961-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-07 | 1965-06-08 | 1965-12-08 | $7700.00 | Window Closed / Lapsed |