Patent US1129474A successfully refreshed from Google Patents.
US2806485A
Expired / Lapsed
US
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Valve for hydraulic ram-control system
Assignee: International Motors LLC
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Filing: 1954-05-25
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Granted: 1957-09-17
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Expires: 1974-05-25
Abstract
No abstract record available.
Inventors
- 👤 William F Collins
- 👤 William F Schmied
- 👤 Everett M Sandahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:31
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/363; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F16K11/00; F16K11/02; F16K11/08; F16K11/085; F16K11/0856; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86638; Y10T137/86646; Y10T137/86654; Y10T137/86662; Y10T137/86839
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2165096A
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US2267284A
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US2360987A
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US2751932A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-16 | 1961-03-18 | 1961-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-16 | 1965-03-18 | 1965-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-16 | 1969-03-18 | 1969-09-17 | $7700.00 | Window Closed / Lapsed |