Patent US3106220A successfully refreshed from Google Patents.
US3106220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Check valve, with dashpot
Assignee: Atwood and Morrill Co Inc
•
Filing: 1961-09-13
•
Granted: 1963-10-08
•
Expires: 1981-09-13
Abstract
No abstract record available.
Inventors
- 👤 Alexander V Hose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:56
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/03; F16K15/033; F16K15/18; F16K15/182; F16K15/1821; F16K47/00; F16K47/01; F16K47/011; F16K47/0111; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/785; Y10T137/7898; Y10T137/7903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
IN A FLUID FLOW VALVE HAVING A VALVE BODY AND A VALVE SEAT, A ROTATABLE SHAFT JOURNALLED ON THE VALVE BODY, A VALVE MEMBER COOPERABLY ENGAGEMENT WITH SAID SEAT, A SLEEVE JOURNALLED ON THE SHAFT IN SEALED RELATION AND SUPPORTING SAID VALVE MEMBER FOR PIVOTAL MOVEMENT ABOUT THE SHAFT AXIS, THE SHAFT HAVING A PLURALITY OF RADIALLY OUT-
Claim 2
Dependent Claim
58 words
IN A FLUID FLOW VALVE HAVING A VALVE BODY AND A VALVE SEAT, A ROTATABLE SHAFT JOURNALLED ON THE VALVE BODY, A VALVE MEMBER COOPERABLY ENGAGEMENT WITH SAID SEAT, A SLEEVE JOURNALLED ON THE SHAFT IN SEALED RELATION AND SUPPORTING SAID VALVE MEMBER FOR PIVOTAL MOVEMENT ABOUT THE SHAFT AXIS, THE SHAFT HAVING A PLURALITY OF RADIALLY OUT-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |