US3207181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple orifice valve
Assignee: Individual
•
Filing: 1963-10-11
•
Granted: 1965-09-21
•
Expires: 1983-10-11
Abstract
No abstract record available.
Inventors
- 👤 Willis N Elizabeth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:13
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/04; F16K3/06; F16K3/08; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86718; Y10T137/86743
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A FLOW CONTROL VALVE COMPRISING: A VALVE BODY HAVING A LONGITUDINAL EXTENDED OPENING THEREIN; AN INLET LEADING TO SAID OPENING AND AN OUTLET LEADING FROM SAID OPENING; A PAIR OF RELATIVELY ROTATABLE DISC CARRIERS DISPOSED IN SAID OPENING BETWEEN SAID INLET AND SAID OUTLET; A DISC CARRIED BY EACH OF SAID DISC CARRIERS WITH THE RESPECTIVE DISCS DISPOSED IN CONTIGUOUS RELATION; MEANS EXTENDING INTO SAID BODY FOR ROTATING ONE OF SAID DISC CARRIERS RELATIVE TO THE OTHER OF SAID DISC CARRIERS; EACH OF AID DISC CARRIERS COMPRISING A BODY TRANSVERSELY SPANNING SAID OPENING AND HAVING AN AXIALLY EXTENDED OUTER MARGINAL SKIRT FORMING A SEAT FOR ITS DISC; SAID DISCS AND DISC CARRIERS HAVING OPENINGS THERETHROUGH MOVABLE INTO
Claim 2
Dependent Claim
117 words
A FLOW CONTROL VALVE COMPRISING: A VALVE BODY HAVING A LONGITUDINAL EXTENDED OPENING THEREIN; AN INLET LEADING TO SAID OPENING AND AN OUTLET LEADING FROM SAID OPENING; A PAIR OF RELATIVELY ROTATABLE DISC CARRIERS DISPOSED IN SAID OPENING BETWEEN SAID INLET AND SAID OUTLET; A DISC CARRIED BY EACH OF SAID DISC CARRIERS WITH THE RESPECTIVE DISCS DISPOSED IN CONTIGUOUS RELATION; MEANS EXTENDING INTO SAID BODY FOR ROTATING ONE OF SAID DISC CARRIERS RELATIVE TO THE OTHER OF SAID DISC CARRIERS; EACH OF AID DISC CARRIERS COMPRISING A BODY TRANSVERSELY SPANNING SAID OPENING AND HAVING AN AXIALLY EXTENDED OUTER MARGINAL SKIRT FORMING A SEAT FOR ITS DISC; SAID DISCS AND DISC CARRIERS HAVING OPENINGS THERETHROUGH MOVABLE INTO
References Cited (Backward Citations)
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |