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US2612583A Expired / Lapsed US ⏱️ 0.0 years remaining

Arc welding rod and method of producing same

Assignee: Individual
•
Filing: 1946-07-30
•
Granted: 1952-09-30
•
Expires: 1966-07-30
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Abstract

No abstract record available.

Inventors

  • 👤 Arthur A Bernard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 05:24
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/40; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10S428/931; Y10T; Y10T428/00; Y10T428/12; Y10T428/12479; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12958; Y10T428/12965; Y10T428/12972; Y10T428/12979

Claims Analysis

Total Claims: 0
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-09-30 1956-03-31 1956-09-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-09-30 1960-03-31 1960-09-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-09-30 1964-03-31 1964-09-30 $7700.00 Window Closed / Lapsed

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