US3240034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrophorically ignited lighters
Assignee: Nationale SA
•
Filing: 1963-07-23
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Granted: 1966-03-15
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Expires: 1983-07-23
Abstract
No abstract record available.
Inventors
- 👤 Zellweger Conrad
- 👤 Retzler William
- 👤 Brooks Eric Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:57
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/34; F23Q2/16; F23Q2/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A PYROPHORIC GAS LIGHTER COMPRISING A RESERVOIR FOR CONTAINING HIGHLY VOLATILE FUEL UNDER HIGH PRESSURE IN ITS LIQUID FORM, A BURNER VALVE ASSEMBLY INCLUDING AN OUTER CASING SEALABLY ENGAGED WITH AND EXTENDING THROUGH ONE WALL OF SAID RESERVOIR AND CONTAINING A FLUID PASSSAGEWAY WHICH EXTENDS INTO SAID CASING, SAID FLUID PASSAGEWAY BEING OPENABLE AND CLOSEABLE BY MOVEMENT OF A VALVE CONTROL ELEMENT RELATIVE TO SAID RESERVOIR, A SPARKING WHEEL HAVING A SERRATED SURFACE AND MOUNTED FOR ROTATION ABOUT A STUB AXLE INTEGRAL WITH SAID RESERVOIR AND EXTENDING FROM THE OUTER SURFACE THEREOF IN THE VICINITY OF SAID BURNER
Claim 2
Dependent Claim
98 words
A PYROPHORIC GAS LIGHTER COMPRISING A RESERVOIR FOR CONTAINING HIGHLY VOLATILE FUEL UNDER HIGH PRESSURE IN ITS LIQUID FORM, A BURNER VALVE ASSEMBLY INCLUDING AN OUTER CASING SEALABLY ENGAGED WITH AND EXTENDING THROUGH ONE WALL OF SAID RESERVOIR AND CONTAINING A FLUID PASSSAGEWAY WHICH EXTENDS INTO SAID CASING, SAID FLUID PASSAGEWAY BEING OPENABLE AND CLOSEABLE BY MOVEMENT OF A VALVE CONTROL ELEMENT RELATIVE TO SAID RESERVOIR, A SPARKING WHEEL HAVING A SERRATED SURFACE AND MOUNTED FOR ROTATION ABOUT A STUB AXLE INTEGRAL WITH SAID RESERVOIR AND EXTENDING FROM THE OUTER SURFACE THEREOF IN THE VICINITY OF SAID BURNER
References Cited (Backward Citations)
US1660401A
Cited
US1657352A
Cited
US2497137A
Cited
US2780085A
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US2746277A
Cited
US2750774A
Cited
US2779180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |