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US2222406A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrical apparatus

Assignee: Belden Manufacturing Co
•
Filing: 1938-08-31
•
Granted: 1940-11-19
•
Expires: 1958-08-31
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Abstract

No abstract record available.

Inventors

  • 👤 Crossley Alfred

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 10:43
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/30; H01Q5/00; H01Q5/30; H01Q5/307; H01Q5/314; H01Q5/335; H01Q5/50; H03; H03H; H03H2/00; H03H2/005; H03H2/008

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) 1943-11-19 1944-05-20 1944-11-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1947-11-19 1948-05-20 1948-11-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1951-11-19 1952-05-20 1952-11-19 $7700.00 Window Closed / Lapsed

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