Patent US3073338A successfully refreshed from Google Patents.
US3073338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stelzer
Assignee: —
•
Filing: —
•
Granted: 1963-01-15
•
Expires: 1980-01-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:06
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/14; G05D16/16; G05D16/166; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7781; Y10T137/7835
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PRESSURE REGULATING AND SHUTOFF VALVE COMPRISING: VALVE MEANS OPERATIVE TO CONTROL THE FLOW OF FLUID THROUGH INLET AND OUTLET PASSAGES ASSOCIATED THEREWITH; ACTUATING MEANS OPERATIVELY CONNECTED TO SAID VALVE; CONTROL MEANS OPERATIVELY DISPOSED RELATIVE TO SAID ACTUATING MEANS, SAID CONTROL MEANS CAUSING SAID ACTUATOR TO REGULATE SAID VALVE ACCORDING TO THE OUTLET PRESSURE THEREOF; AND TIMER MEANS OPERATIVELY RELATED TO SAID VALVE TO DELAY THE ACTUATION OF THE LATTER FOR A PREDETERMINED PERIOD AFTER THE INITIAL INTRODUCTION OF FLUID UNDER PRESSURE TO SAID INLET.
Claim 2
Dependent Claim
85 words
A PRESSURE REGULATING AND SHUTOFF VALVE COMPRISING: VALVE MEANS OPERATIVE TO CONTROL THE FLOW OF FLUID THROUGH INLET AND OUTLET PASSAGES ASSOCIATED THEREWITH; ACTUATING MEANS OPERATIVELY CONNECTED TO SAID VALVE; CONTROL MEANS OPERATIVELY DISPOSED RELATIVE TO SAID ACTUATING MEANS, SAID CONTROL MEANS CAUSING SAID ACTUATOR TO REGULATE SAID VALVE ACCORDING TO THE OUTLET PRESSURE THEREOF; AND TIMER MEANS OPERATIVELY RELATED TO SAID VALVE TO DELAY THE ACTUATION OF THE LATTER FOR A PREDETERMINED PERIOD AFTER THE INITIAL INTRODUCTION OF FLUID UNDER PRESSURE TO SAID INLET.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |