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US2626367A Expired / Lapsed US ⏱️ 0.0 years remaining

Welding generator

Assignee: HENRY L SWEITZ
•
Filing: 1948-12-31
•
Granted: 1953-01-20
•
Expires: 1968-12-31
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Abstract

No abstract record available.

Inventors

  • 👤 Beymer Marshall

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:22
CPC Classifications
H; H02; H02K; H02K19/00; H02K19/16; H02K19/36

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US571270A Cited
US781968A Cited
US1782262A Cited
US1739136A Cited
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US2485474A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-01-20 1956-07-21 1957-01-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-01-20 1960-07-21 1961-01-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-01-20 1964-07-21 1965-01-20 $7700.00 Window Closed / Lapsed

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