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US3104313A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for semiautomatic welding

Assignee: IMO Industries Inc
•
Filing: 1960-05-09
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Granted: 1963-09-17
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Expires: 1980-05-09
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Abstract

No abstract record available.

Inventors

  • 👤 Perry J Rieppel
  • 👤 John T Niemann
  • 👤 Raeman P Sopher
  • 👤 Franklin H Pennell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 21:54
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/0026

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 66 words
A METHOD FOR AUTOMATIC WELDING OF IMPELLERS AND THE LIKE COMPRISING THE STEPS OF: POSITIONING A WORKPIECE AND A WELDING ELECTRODE SO THAT THE BEGINNING WELD AREA IS IN THE FLAT POSITION; ESTABLISHING AN ARC BETWEEN SAID WORKPIECE AND SAID WELDING ELECTRODE; SUPPLYING FLUX TO THE WELD AREA BY CARRYING SAID FLUX IN A FLOW OF SHIELDING GAS; AND CONCURRENTLY MOVING SAID WELDING ELECTRODE IN A
Claim 2
Independent Claim 66 words
A METHOD FOR AUTOMATIC WELDING OF IMPELLERS AND THE LIKE COMPRISING THE STEPS OF: POSITIONING A WORKPIECE AND A WELDING ELECTRODE SO THAT THE BEGINNING WELD AREA IS IN THE FLAT POSITION; ESTABLISHING AN ARC BETWEEN SAID WORKPIECE AND SAID WELDING ELECTRODE; SUPPLYING FLUX TO THE WELD AREA BY CARRYING SAID FLUX IN A FLOW OF SHIELDING GAS; AND CONCURRENTLY MOVING SAID WELDING ELECTRODE IN A

References Cited (Backward Citations)

US1589017A Cited
US1975578A Cited
US2259976A Cited
US2907866A Cited
US2974218A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-09-16 1967-03-18 1967-09-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-09-16 1971-03-18 1971-09-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-09-16 1975-03-18 1975-09-17 $7700.00 Window Closed / Lapsed

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