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US1100191A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric furnace.

Assignee: Individual
•
Filing: 1913-09-15
•
Granted: 1914-06-16
•
Expires: 1933-09-15
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Abstract

No abstract record available.

Inventors

  • 👤 William F Mcnabb

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 16:10
CPC Classifications
F; F27; F27D; F27D11/00; F27D11/08

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) 1917-06-15 1917-12-15 1918-06-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1921-06-15 1921-12-15 1922-06-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1925-06-15 1925-12-15 1926-06-16 $7700.00 Window Closed / Lapsed

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