US3338549A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-backlash throttle valve
Assignee: Union Carbide Corp
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Filing: 1966-07-29
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Granted: 1967-08-29
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Expires: 1986-07-29
Abstract
No abstract record available.
Inventors
- 👤 Clifford C Anthes
- 👤 Byron H Acomb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:24
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN ANTI-BACKLASH THROTTLE VALVE COMPRISING A BODY HAVING A BORE WITH FLUID PASSAGES CONNECTED THERETO, A SEAT SURROUNDING ONE OF SAID PASSAGES, SAID BORE FORMING A SOCKET, AN INSERT IN SAID SOCKET COMPRISING A VALVE STEM HAVING A CLOSURE ENGAGING SAID SEAT, SAID STEM HAVING A THREADED PORTION, A THREADED SEAT, SAID STEM HAVING A BUSHING ON SAID THREADED PORTION AND MOUNTED IN SAID SOCKET, AND MEANS FOR PREVENTING MOVEMENT OF SAID BUSHING IN THE SOCKET.
Claim 2
Dependent Claim
76 words
AN ANTI-BACKLASH THROTTLE VALVE COMPRISING A BODY HAVING A BORE WITH FLUID PASSAGES CONNECTED THERETO, A SEAT SURROUNDING ONE OF SAID PASSAGES, SAID BORE FORMING A SOCKET, AN INSERT IN SAID SOCKET COMPRISING A VALVE STEM HAVING A CLOSURE ENGAGING SAID SEAT, SAID STEM HAVING A THREADED PORTION, A THREADED SEAT, SAID STEM HAVING A BUSHING ON SAID THREADED PORTION AND MOUNTED IN SAID SOCKET, AND MEANS FOR PREVENTING MOVEMENT OF SAID BUSHING IN THE SOCKET.
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |