Patent US2710666A successfully refreshed from Google Patents.
US2710666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas line safety shut off device
Assignee: H2oil Engineering Corp
•
Filing: 1953-07-27
•
Granted: 1955-06-14
•
Expires: 1973-07-27
Abstract
No abstract record available.
Inventors
- 👤 Russell D May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:08
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/02; F16K17/04; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7381; Y10T137/74; Y10T137/7423; Y10T137/7426
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
A GAS LINE SAFETY SHUTOFF VALVE DEVICE COMPRISING AN ELONGATED VERTICAL CYLINDRICAL HOUSING HAVING A CHAMBER THEREIN AND A GAS INLET OPENING INTERMEDIATE THE ENDS THEREOF AND A GAS OUTLET OPENING AT THE UPPER PORTION THEREOF ABOVE THE GAS INLET OPENING, A VALVE SEAT SUPPORTING TUBE CONNECTED TO SAID HOUSING HAVING A PASSAGEWAY OPENING TO THE OUTLET OPENING AND EXTENDING DOWN INTO THE CHAMBER OF SAID HOUSING, A SECOND TUBE CONNECTED TO SAID HOUSING AND DEPENDING INTO THE HOUSING CHAMBER EXTERNALLY OF THE FIRST MENTIONED VALVE SEAT PROVIDING TUBE AND SPACED THEREFROM AND DEFINING A CHAMBER EXTENDING TO A POINT BELOW THE VALVE SEAT TUBE, MEANS CLOSING THE LOWER END OF SAID SECOND TUBE, THE SECOND TUBE HAVING INLET PORTS THERETHROUGH OPENING INTO SAID TUBE AND THE HOUSING CHAMBER, A FLOAT IN SAID HOUSING CHAMBER BELOW SAID SECOND TUBE, A STEM UPON SAID FLOAT BEARING IN THE MEANS WHICH CLOSES THE LOWER END OF THE SECOND TUBE, SAID STEM EXTENDING INTO THE CHAMBERS OF BOTH OF SAID TUBES, AND A FLEXIBLE VALVE MOUNTED UPON SAID STEM IN THE SECOND TUBE BELOW THE VALVE SEAT TUBE.
Claim 2
Dependent Claim
185 words
A GAS LINE SAFETY SHUTOFF VALVE DEVICE COMPRISING AN ELONGATED VERTICAL CYLINDRICAL HOUSING HAVING A CHAMBER THEREIN AND A GAS INLET OPENING INTERMEDIATE THE ENDS THEREOF AND A GAS OUTLET OPENING AT THE UPPER PORTION THEREOF ABOVE THE GAS INLET OPENING, A VALVE SEAT SUPPORTING TUBE CONNECTED TO SAID HOUSING HAVING A PASSAGEWAY OPENING TO THE OUTLET OPENING AND EXTENDING DOWN INTO THE CHAMBER OF SAID HOUSING, A SECOND TUBE CONNECTED TO SAID HOUSING AND DEPENDING INTO THE HOUSING CHAMBER EXTERNALLY OF THE FIRST MENTIONED VALVE SEAT PROVIDING TUBE AND SPACED THEREFROM AND DEFINING A CHAMBER EXTENDING TO A POINT BELOW THE VALVE SEAT TUBE, MEANS CLOSING THE LOWER END OF SAID SECOND TUBE, THE SECOND TUBE HAVING INLET PORTS THERETHROUGH OPENING INTO SAID TUBE AND THE HOUSING CHAMBER, A FLOAT IN SAID HOUSING CHAMBER BELOW SAID SECOND TUBE, A STEM UPON SAID FLOAT BEARING IN THE MEANS WHICH CLOSES THE LOWER END OF THE SECOND TUBE, SAID STEM EXTENDING INTO THE CHAMBERS OF BOTH OF SAID TUBES, AND A FLEXIBLE VALVE MOUNTED UPON SAID STEM IN THE SECOND TUBE BELOW THE VALVE SEAT TUBE.
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) | 1958-06-13 | 1958-12-13 | 1959-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-13 | 1962-12-13 | 1963-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-13 | 1966-12-13 | 1967-06-14 | $7700.00 | Window Closed / Lapsed |