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US3089022A Expired / Lapsed US ⏱️ 0.0 years remaining

Weld rod guide

Assignee: Caterpillar Inc
•
Filing: 1961-05-08
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Granted: 1963-05-07
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Expires: 1981-05-08
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Abstract

No abstract record available.

Inventors

  • 👤 John T Kinney

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 14:29
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/12; B23K9/122; B23K9/24; B23K9/28; B23K9/29; B23K9/291; B23K9/295; B23K9/298

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 163 words
IN A WELDING MACHINE HAVING AN ELECTRICAL CONTACT MEMBER THROUGH WHICH A WELD WIRE IS FED TO PRODUCE AN ARC BETWEEN THE END OF SAID WELD WIRE AND A WORK PIECE, SAID WIRE FED TO MAINTAIN THE SAID END BEYOND SAID ELECTRICAL CONTACT A SUFFICIENT DISTANCE THAT THE RESISTANCE OF THE WIRE EFFECTS HEATING THEREOF TO A TEMPERATURE WHICH GREATLY REDUCES ITS RIGIDITY, THE COMBINATION THEREWITH OF: A TUBULAR GUIDE OF DIELECTRIC HEAT RESISTANT MATERIAL HAVING A PASSAGEWAY THERETHROUGH ADAPTED SNUGLY BUT SLIDABLY TO RECEIVE A WELD WIRE, A TUBULAR JACKET OF THERMAL CONDUCTIVE MATERIAL SNUGLY EMBRACING SAID TUBULAR GUIDE AND ARRANGED CLOSELY ADJACENT TO THE END OF SAID WELD WIRE FOR PROTECTING SAID TUBULAR GUIDE AGAINST THERMAL SHOCK, AN INTERNAL SHOULDER AT ONE END OF SAID JACKET SUPPORTING SAID TUBULAR GUIDE, AND MEANS ON THE OTHER END OF SAID JACKET SECURING SAID JACKET ON SAID ELECTRICAL CONTACT MEMBER TO EXTEND THEREFROM SO THAT SAID WELD WIRE MAY BE FED THROUGH SAID PASSAGEWAY.
Claim 2
Dependent Claim 163 words
IN A WELDING MACHINE HAVING AN ELECTRICAL CONTACT MEMBER THROUGH WHICH A WELD WIRE IS FED TO PRODUCE AN ARC BETWEEN THE END OF SAID WELD WIRE AND A WORK PIECE, SAID WIRE FED TO MAINTAIN THE SAID END BEYOND SAID ELECTRICAL CONTACT A SUFFICIENT DISTANCE THAT THE RESISTANCE OF THE WIRE EFFECTS HEATING THEREOF TO A TEMPERATURE WHICH GREATLY REDUCES ITS RIGIDITY, THE COMBINATION THEREWITH OF: A TUBULAR GUIDE OF DIELECTRIC HEAT RESISTANT MATERIAL HAVING A PASSAGEWAY THERETHROUGH ADAPTED SNUGLY BUT SLIDABLY TO RECEIVE A WELD WIRE, A TUBULAR JACKET OF THERMAL CONDUCTIVE MATERIAL SNUGLY EMBRACING SAID TUBULAR GUIDE AND ARRANGED CLOSELY ADJACENT TO THE END OF SAID WELD WIRE FOR PROTECTING SAID TUBULAR GUIDE AGAINST THERMAL SHOCK, AN INTERNAL SHOULDER AT ONE END OF SAID JACKET SUPPORTING SAID TUBULAR GUIDE, AND MEANS ON THE OTHER END OF SAID JACKET SECURING SAID JACKET ON SAID ELECTRICAL CONTACT MEMBER TO EXTEND THEREFROM SO THAT SAID WELD WIRE MAY BE FED THROUGH SAID PASSAGEWAY.

References Cited (Backward Citations)

US2295546A Cited
US2401383A Cited
US2965746A Cited
US3018360A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-05-06 1966-11-05 1967-05-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-05-06 1970-11-05 1971-05-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-05-06 1974-11-05 1975-05-07 $7700.00 Window Closed / Lapsed

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