Patent US3257045A successfully refreshed from Google Patents.
US3257045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dust trap and valve therefor
Assignee: Individual
•
Filing: 1964-11-03
•
Granted: 1966-06-21
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Expires: 1984-11-03
Abstract
No abstract record available.
Inventors
- 👤 Carpentier Urgel Ramual
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:29
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/16; F16K1/18; F16K1/20; F16K1/2007; F16K1/2021; F16K1/2028; F27; F27B; F27B21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A VALVE COMPRISING A VALVE BODY HAVING A FLOW PATH THERETHROUGH FROM ONE END TO THE OTHER, A CONDUIT MEMBER REMOVABLY MOUNTED IN SAID VALVE BODY AND FORMING A VALVE SEAT, THE FLOW PATH THROUGH SAID CONDUIT MEMBER BEING SUBSTANTIALLY COAXIAL WITH THE FLOW PATH THROUGH THE ADJACENT PORTION OF SAID VALVE BODY, SAID CONDUIT MEMBER HAVING A SHORT SIDE AND AN OPPOSITE LONG SIDE TERMINATING AT SAID VALVE SEAT, A VALVE ACTUATOR SHAFT PASSING THROUGH SAID VALVE BODY ADJACENT SAID SHORT SIDE OF SAID CONDUIT MEMBER, AND A VALVE FLAP REMOVABLY COUPLED TO SAID VALVE ACTUATOR SHAFT FOR MOVING INTO AND OUT OF ENGAGEMENT WITH SAID VALVE SEAT, SAID VALVE BODY HAVING AN ACCESS OPENING ADJACENT SAID LONG SIDE OF SAID CONDUIT MEMBER FOR REMOVAL OF SAID CONDUIT MEMBER AND SAID VALVE FLAP FROM INSIDE SAID VALVE BODY.
Claim 2
Dependent Claim
139 words
A VALVE COMPRISING A VALVE BODY HAVING A FLOW PATH THERETHROUGH FROM ONE END TO THE OTHER, A CONDUIT MEMBER REMOVABLY MOUNTED IN SAID VALVE BODY AND FORMING A VALVE SEAT, THE FLOW PATH THROUGH SAID CONDUIT MEMBER BEING SUBSTANTIALLY COAXIAL WITH THE FLOW PATH THROUGH THE ADJACENT PORTION OF SAID VALVE BODY, SAID CONDUIT MEMBER HAVING A SHORT SIDE AND AN OPPOSITE LONG SIDE TERMINATING AT SAID VALVE SEAT, A VALVE ACTUATOR SHAFT PASSING THROUGH SAID VALVE BODY ADJACENT SAID SHORT SIDE OF SAID CONDUIT MEMBER, AND A VALVE FLAP REMOVABLY COUPLED TO SAID VALVE ACTUATOR SHAFT FOR MOVING INTO AND OUT OF ENGAGEMENT WITH SAID VALVE SEAT, SAID VALVE BODY HAVING AN ACCESS OPENING ADJACENT SAID LONG SIDE OF SAID CONDUIT MEMBER FOR REMOVAL OF SAID CONDUIT MEMBER AND SAID VALVE FLAP FROM INSIDE SAID VALVE BODY.
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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) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |