US2906246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system for fluid actuated devices
Assignee: Ross Operating Valve Co
•
Filing: 1953-06-18
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Granted: 1959-09-29
•
Expires: 1973-06-18
Abstract
No abstract record available.
Inventors
- 👤 Tirro Domenic A Di
- 👤 Russell J Cameron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:05
CPC Classifications
F; F15; F15B; F15B20/00; F15B20/001; B; B30; B30B; B30B15/00; B30B15/14; B30B15/142; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723; Y10T137/7728
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2687117A
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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) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |