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US2080964A Expired / Lapsed US ⏱️ 0.0 years remaining

Interlocking switch mechanism

Assignee: Bryant Electric Co
•
Filing: 1935-10-26
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Granted: 1937-05-18
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Expires: 1955-10-26
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Abstract

No abstract record available.

Inventors

  • 👤 Edward E Forstrom

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:44
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/20; H01H9/26; H01H2009/265; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20207; Y10T74/20238

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) 1940-05-17 1940-11-16 1941-05-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1944-05-17 1944-11-16 1945-05-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1948-05-17 1948-11-16 1949-05-18 $7700.00 Window Closed / Lapsed

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