Patent US2956550A successfully refreshed from Google Patents.
US2956550A
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Hydraulic control apparatus
Assignee: American Brake Shoe Co
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Filing: 1957-04-02
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Granted: 1960-10-18
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Expires: 1977-04-02
Abstract
No abstract record available.
Inventors
- 👤 George M Hipple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:51
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/08; Y; Y10; Y10S; Y10S60/00; Y10S60/911; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/264
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1035572A
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US2043453A
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US2613703A
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US2772409A
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US2716766A
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US2735405A
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US2766731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |