US3196953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for fire extinguishing system
Assignee: Individual
•
Filing: 1962-11-07
•
Granted: 1965-07-27
•
Expires: 1982-11-07
Abstract
No abstract record available.
Inventors
- 👤 David A Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:11
CPC Classifications
A; A62; A62C; A62C99/00; A62C99/009; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797; Y10T137/1804
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A QUICK OPERATING VALVE FOR A FIRE EXTINGUISHING SYSTEM COMPRISING A VALVE BODY HAVING A WALL PROVIDING A THROUGH PASSAGE WITH A VALVE SEAT ALONG SAID PASSAGE, A VALVE PLUG MOVABLE IN SAID BODY TO ENGAGE SAID SET AND CLOSE SAID PASSAGE AND WITH A STEM EXTENDING OUTWARDLY THROUGH A WALL THEREOF, A LEVER PIVOTED ON SAID BODY EXTERNALLY OF SAID WALL AND ENGAGING SAID PLUG STEM ON ONE SIDE OF THE PIVOT TO HOLD IT ON ITS SEAT AGAINST THE PRESSURE OF FLUID IN THE PASSAGE TENDING TO DISLODGE IT FROM ITS SEAT, AN ABUTMENT EXTERNAL OF SAID WALL AND FIXED RELATIVE TO SAID BODY, AN ARM PIVOTED TO SAID LEVER AND EXTENDING GENERALLY AT RIGHT ANGLES TO THE LEVER AND SEATING ON SAID ABUTMENT FOR HOLDING THE LEVER IN A POSITION TO HOLD THE PLUG ON ITS SEAT, AND MEANS TO MOVE SAID ARM FROM SAID HOLDING POSITION TO PERMIT SAID LEVER TO MOVE AND SAID PLUG TO BE DISLODGED FROM ITS SEAT.
Claim 2
Dependent Claim
165 words
A QUICK OPERATING VALVE FOR A FIRE EXTINGUISHING SYSTEM COMPRISING A VALVE BODY HAVING A WALL PROVIDING A THROUGH PASSAGE WITH A VALVE SEAT ALONG SAID PASSAGE, A VALVE PLUG MOVABLE IN SAID BODY TO ENGAGE SAID SET AND CLOSE SAID PASSAGE AND WITH A STEM EXTENDING OUTWARDLY THROUGH A WALL THEREOF, A LEVER PIVOTED ON SAID BODY EXTERNALLY OF SAID WALL AND ENGAGING SAID PLUG STEM ON ONE SIDE OF THE PIVOT TO HOLD IT ON ITS SEAT AGAINST THE PRESSURE OF FLUID IN THE PASSAGE TENDING TO DISLODGE IT FROM ITS SEAT, AN ABUTMENT EXTERNAL OF SAID WALL AND FIXED RELATIVE TO SAID BODY, AN ARM PIVOTED TO SAID LEVER AND EXTENDING GENERALLY AT RIGHT ANGLES TO THE LEVER AND SEATING ON SAID ABUTMENT FOR HOLDING THE LEVER IN A POSITION TO HOLD THE PLUG ON ITS SEAT, AND MEANS TO MOVE SAID ARM FROM SAID HOLDING POSITION TO PERMIT SAID LEVER TO MOVE AND SAID PLUG TO BE DISLODGED FROM ITS SEAT.
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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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |