US3159167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Service t installation including excessive-flow safety valve
Assignee: Mueller Co
•
Filing: 1961-11-15
•
Granted: 1964-12-01
•
Expires: 1981-11-15
Abstract
No abstract record available.
Inventors
- 👤 Frank H Mueller
- 👤 Jr Wilbur R Leopold
- 👤 Lawrence F Luckenbill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:55
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/20; F16K17/22; F16K17/24; F16K17/28; F16K17/285; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1789; Y10T137/7722; Y10T137/7837; Y10T137/7869; Y10T29/00; Y10T29/49; Y10T29/49403
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A SERVICE T COMPRISING: A T BODY HAVING A THROUGH BORE AND A LATERAL OUTLET, ONE END OF SAID BORE CONSTITUTING AN INLET; A TUBULAR VALVE HOUSING CARRIED BY SAID BORE BETWEEN SAID INLET AND SAID LATERAL OUTLET AND DEFINING A VALVE SEAT FACING SAID INLET; A VALVE ELEMENT CARRIED BY SAID BORE SEATABLE ON SAID SEAT TO SHUT OFF FLOW BETWEEN SAID INLET AND SAID OUTLET; YIELDABLE MEANS IN SAID HOUSING INWARDLY OF SAID SEAT NORMALLY RETAINING SAID ELEMENT UNSEATED AND RESPONSIVE TO EXCESSIVE FLOW PAST SAID ELEMENT TO RELEASE THE LATTER FOR MOVEMENT BY THE FLOW OF FLUID INTO SEATING ENGAGEMENT WITH SAID SEAT; AND MEANS DEFINING A CIRCUMFERENTIALLY WEAKENED PORTION IN SAID BODY BETWEEN SAID SEAT AND SAID OUTLET, WHEREBY A FRACTURING BLOW TO SAID T WILL FRACTURE THE SAME AT SAID WEAKENED PORTION AND THE RESULTING EXCESSIVE FLOW WILL EFFECT THE SEATING OF SAID VALVE ELEMENT TO SHUT OFF FLOW FROM SAID INLET TO ANY LOCATION BEYOND SAID SEAT.
Claim 2
Dependent Claim
163 words
A SERVICE T COMPRISING: A T BODY HAVING A THROUGH BORE AND A LATERAL OUTLET, ONE END OF SAID BORE CONSTITUTING AN INLET; A TUBULAR VALVE HOUSING CARRIED BY SAID BORE BETWEEN SAID INLET AND SAID LATERAL OUTLET AND DEFINING A VALVE SEAT FACING SAID INLET; A VALVE ELEMENT CARRIED BY SAID BORE SEATABLE ON SAID SEAT TO SHUT OFF FLOW BETWEEN SAID INLET AND SAID OUTLET; YIELDABLE MEANS IN SAID HOUSING INWARDLY OF SAID SEAT NORMALLY RETAINING SAID ELEMENT UNSEATED AND RESPONSIVE TO EXCESSIVE FLOW PAST SAID ELEMENT TO RELEASE THE LATTER FOR MOVEMENT BY THE FLOW OF FLUID INTO SEATING ENGAGEMENT WITH SAID SEAT; AND MEANS DEFINING A CIRCUMFERENTIALLY WEAKENED PORTION IN SAID BODY BETWEEN SAID SEAT AND SAID OUTLET, WHEREBY A FRACTURING BLOW TO SAID T WILL FRACTURE THE SAME AT SAID WEAKENED PORTION AND THE RESULTING EXCESSIVE FLOW WILL EFFECT THE SEATING OF SAID VALVE ELEMENT TO SHUT OFF FLOW FROM SAID INLET TO ANY LOCATION BEYOND SAID SEAT.
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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |