US3085590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow control valve
Assignee: Individual
•
Filing: 1960-02-15
•
Granted: 1963-04-16
•
Expires: 1980-02-15
Abstract
No abstract record available.
Inventors
- 👤 Mcilhenny Alan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:25
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0126; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7784; Y10T137/7787; Y10T137/7788
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
IN A FLUID FLOW CONTROL VALVE, A VALVE BODY HAVING A CHAMBER THEREIN, FLUID INLET AND OUTLET PORTS COMMUNICATING WITH SAID CHAMBER, DIFFERENTIAL PRESSURE ACTUATING THROTTLING MEANS IN SAID CHAMBER HAVING ONE FACE DISPOSED TO PRESSURE IN SAID CHAMBER, MEANS BIASING SAID THROTTLING MEANS AGAINST SAID DIFFERENTIAL PRESSURE, FLUID FLOW METERING MEANS BETWEEN ONE OF SAID PORTS AND SAID THROTTLING MEANS AND MOUNTED CONCENTRICALLY WITHIN SAID THROTTLING MEANS, SAID FLUID FLOW METERING MEANS BEING OPERABLE TO REGULATE THE RATE OF FLOW THROUGH SAID VALVE, A METERING INSERT IN SAID BODY ADJACENT ONE SAID PORT AND HAVING A CONICAL SURFACE OPEN INTO SAID CHAMBER, RESILIENT SEAL MEANS INCLUDING A RESILIENT SEALING RING MOUNTED IN SAID INSERT AND REMOTE FROM SAID CONICAL
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |