Patent US3143871A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3143871A Expired / Lapsed US ⏱️ 0.0 years remaining

Gas-fueled lighter

Assignee: Individual
•
Filing: 1962-05-14
•
Granted: 1964-08-11
•
Expires: 1982-05-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Schmitz Heinrich

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 14:40
CPC Classifications
F; F23; F23Q; F23Q2/00; F23Q2/16; F23Q2/162

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 238 words
A GAS-FUELED LIGHTER COMPRISING A BURNER SUPPORT, A BURNER CARRIED BY SAID SUPPORT, A VALVE STEM ARRANGED TO CONTROL THE FLOW OF GAS THROUGH SAID BURNER, A VALVEOPENING SPRING ARRANGED IN SAID BURNER AND URGING SAID STEM TOWARD AN OPEN POSITION, A LIGHTER COVER CONNECTED TO SAID SUPPORT FOR PIVOTAL MOVEMENT ABOUT A PIVOTAL AXIS BETWEEN OPEN AND CLOSED POSITIONS AND HAVING AN EDGE PORTION NEXT TO SAID PIVOTAL AXIS, A RIGID LEVER HAVING FIRST AND SECOND ARMS, MEANS SUPPORTING SAID LEVER BETWEEN SAID ARMS FOR PIVOTAL MOVEMENT WITH RESPECT TO SAID SUPPORT SUCH THAT AS THE LEVER UNDERGOES PIVOTAL MOVEMENT THE ARMS RESPECTIVELY UNDERGO ANGULAR MOVEMENT OF EQUAL MAGNITUDE, SAID FIRST ARM BEING OPERABLE TO ENGAGE SAID VALVE STEM AND TO DEPRESS THE SAME TO A CLOSED POSITION AGAINST THE ACTION OF SAID VALVE-OPENING SPRING, AND A VALVE-CLOSING SPRING SECURED TO SAID SUPPORT AND ENGAGING SAID SECOND ARM OF SAID LEVER AND TENDING TO URGE SAID FIRST ARM INTO ENGAGEMENT WITH SAID VALVE STEM WITH A FORCE SUFFICIENT TO OVERCOME THE ACTION OF SAID VALVE-OPENING SPRING, SAID SECOND ARM OF SAID LEVER BEING ARRANGED TO BE ENGAGED BY THE EDGE PORTION OF SAID COVER TO BE MOVED BY THE SAME AGAINST THE ACTION OF SAID VALVE-CLOSING SPRING DURING THE FINAL PHASE OF SAID MOVEMENT OF SAID COVER TO THE SAID OPEN POSITION THEREOF WHEREBY SAID VALVEOPENING SPRING IS RELEASED TO MOVE SAID STEM TO ITS OPEN POSITION.
Claim 2
Dependent Claim 238 words
A GAS-FUELED LIGHTER COMPRISING A BURNER SUPPORT, A BURNER CARRIED BY SAID SUPPORT, A VALVE STEM ARRANGED TO CONTROL THE FLOW OF GAS THROUGH SAID BURNER, A VALVEOPENING SPRING ARRANGED IN SAID BURNER AND URGING SAID STEM TOWARD AN OPEN POSITION, A LIGHTER COVER CONNECTED TO SAID SUPPORT FOR PIVOTAL MOVEMENT ABOUT A PIVOTAL AXIS BETWEEN OPEN AND CLOSED POSITIONS AND HAVING AN EDGE PORTION NEXT TO SAID PIVOTAL AXIS, A RIGID LEVER HAVING FIRST AND SECOND ARMS, MEANS SUPPORTING SAID LEVER BETWEEN SAID ARMS FOR PIVOTAL MOVEMENT WITH RESPECT TO SAID SUPPORT SUCH THAT AS THE LEVER UNDERGOES PIVOTAL MOVEMENT THE ARMS RESPECTIVELY UNDERGO ANGULAR MOVEMENT OF EQUAL MAGNITUDE, SAID FIRST ARM BEING OPERABLE TO ENGAGE SAID VALVE STEM AND TO DEPRESS THE SAME TO A CLOSED POSITION AGAINST THE ACTION OF SAID VALVE-OPENING SPRING, AND A VALVE-CLOSING SPRING SECURED TO SAID SUPPORT AND ENGAGING SAID SECOND ARM OF SAID LEVER AND TENDING TO URGE SAID FIRST ARM INTO ENGAGEMENT WITH SAID VALVE STEM WITH A FORCE SUFFICIENT TO OVERCOME THE ACTION OF SAID VALVE-OPENING SPRING, SAID SECOND ARM OF SAID LEVER BEING ARRANGED TO BE ENGAGED BY THE EDGE PORTION OF SAID COVER TO BE MOVED BY THE SAME AGAINST THE ACTION OF SAID VALVE-CLOSING SPRING DURING THE FINAL PHASE OF SAID MOVEMENT OF SAID COVER TO THE SAID OPEN POSITION THEREOF WHEREBY SAID VALVEOPENING SPRING IS RELEASED TO MOVE SAID STEM TO ITS OPEN POSITION.

References Cited (Backward Citations)

US2737795A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-08-11 1968-02-10 1968-08-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-08-11 1972-02-10 1972-08-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-08-11 1976-02-10 1976-08-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag