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US2859735A
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Shiftable mechanism with momentarily actuated control
Assignee: Ross Operating Valve Co
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Filing: 1955-03-18
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Granted: 1958-11-11
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Expires: 1975-03-18
Abstract
No abstract record available.
Inventors
- 👤 Tirro Domenic A Di
- 👤 Raymond D Ei
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:31
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/042; F15B13/043; F15B13/0431; F16; F16K; F16K31/00; F16K31/12; F16K31/36; F16K31/363; F16K31/40; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86485; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/86606; Y10T137/86614
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US393596A
Cited
US2672886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |