Patent US2608182A successfully refreshed from Google Patents.
US2608182A
Expired / Lapsed
US
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Control mechanism for hydraulic apparatus
Assignee: Denison Engineering Co
•
Filing: 1948-04-15
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Granted: 1952-08-26
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Expires: 1968-04-15
Abstract
No abstract record available.
Inventors
- 👤 Victor V Blasutta
- 👤 Wendell E Renick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:59
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/16; B30B15/161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US523419A
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US1931452A
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US2142628A
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US2160217A
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US2200998A
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US2283124A
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US2316471A
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US2431032A
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US2443642A
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US2491355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |