Patent US3871751A successfully refreshed from Google Patents.
US3072157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injecting valve for a liquefied gas cigarette lighter
Assignee: Individual
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Filing: 1961-03-13
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Granted: 1963-01-08
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Expires: 1981-03-13
Abstract
No abstract record available.
Inventors
- 👤 Iketani Taisho
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:10
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/34; F23Q2/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A FUEL INJECTION VALVE FOR A LIQUEFIED GAS LIGHTER COMPRISING AN IMMOVABLE HOLLOW CYLINDRICAL MEMBER ADAPTED TO BE SECURED TO A CONTAINER OF SAID LIGHTER AND HAVING A DISCHARGE OPENING THROUGH THE SIDE WALL THEREOF, A STEM MEMBER AXIALLY MOVABLE IN SAID CYLINDRICAL MEMBER AND HAVING AN AXIAL FEEDING PASSAGE OPEN EXTERNALLY AT ITS OUTER END AND CLOSED AT ITS LOWER END EXCEPT TO A RADIAL PASSAGE TERMINATING AT THE PERIPHERY OF SAID STEM MEMBER, A FIRST PACKING RING, MEANS FOR SECURING SAID PACKING RING TO ONE OF SAID MEMBERS AT A POINT DISPOSED AXIALLY OUTWARDLY RELATIVE TO SAID DISCHARGE OPENING, AN ANNULAR SEAT FORMED ON THE OTHER OF SAID MEMBERS AND ENGAGING SAID FIRST PACKING RING DISPOSED IN SAID ONE OF SAID MEMBERS, IN ORDER TO SEAL OFF AGAINST
Claim 2
Dependent Claim
130 words
A FUEL INJECTION VALVE FOR A LIQUEFIED GAS LIGHTER COMPRISING AN IMMOVABLE HOLLOW CYLINDRICAL MEMBER ADAPTED TO BE SECURED TO A CONTAINER OF SAID LIGHTER AND HAVING A DISCHARGE OPENING THROUGH THE SIDE WALL THEREOF, A STEM MEMBER AXIALLY MOVABLE IN SAID CYLINDRICAL MEMBER AND HAVING AN AXIAL FEEDING PASSAGE OPEN EXTERNALLY AT ITS OUTER END AND CLOSED AT ITS LOWER END EXCEPT TO A RADIAL PASSAGE TERMINATING AT THE PERIPHERY OF SAID STEM MEMBER, A FIRST PACKING RING, MEANS FOR SECURING SAID PACKING RING TO ONE OF SAID MEMBERS AT A POINT DISPOSED AXIALLY OUTWARDLY RELATIVE TO SAID DISCHARGE OPENING, AN ANNULAR SEAT FORMED ON THE OTHER OF SAID MEMBERS AND ENGAGING SAID FIRST PACKING RING DISPOSED IN SAID ONE OF SAID MEMBERS, IN ORDER TO SEAL OFF AGAINST
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |