Patent US2784704A successfully refreshed from Google Patents.
US2784704A
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Control valves for hydraulically operated vehicle or other loaders
Assignee: Telehoist Ltd
•
Filing: 1952-08-15
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Granted: 1957-03-12
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Expires: 1972-08-15
Abstract
No abstract record available.
Inventors
- 👤 Meats William Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:52
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/08; F15B15/14; F15B15/149; F15B15/1423; F15B15/1447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1940508A
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US1904345A
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US1987083A
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US2094466A
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US2071605A
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GB489663A
Cited
US2164911A
Cited
US2438317A
Cited
GB615834A
Cited
US2509589A
Cited
US2695764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |