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US2383503A Expired / Lapsed US ⏱️ 0.0 years remaining

Work support

Assignee: Lincoln Electric Co
•
Filing: 1943-07-30
•
Granted: 1945-08-28
•
Expires: 1963-07-30
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Abstract

No abstract record available.

Inventors

  • 👤 George G Landis
  • 👤 Norman J Hoenie

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 12:47
CPC Classifications
B; B23; B23K; B23K37/00; B23K37/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1948-08-27 1949-02-26 1949-08-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1952-08-27 1953-02-26 1953-08-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1956-08-27 1957-02-26 1957-08-28 $7700.00 Window Closed / Lapsed

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