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US2980055A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: International Resistance Co
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Filing: 1958-04-04
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Granted: 1961-04-18
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Expires: 1978-04-04
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Abstract

No abstract record available.

Inventors

  • 👤 Jerome G Burns

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 10:00
CPC Classifications
G; G06; G06M; G06M1/00; G06M1/14; G06M1/146; G06M1/04; G06M1/06; G06M1/064; H; H03; H03J; H03J1/00; H03J1/06; H03J1/14; Y; Y10; Y10S; Y10S116/00; Y10S116/21

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US467796A Cited
US875037A Cited
US2027889A Cited
US1985652A Cited
US2746417A Cited
US2805636A Cited
US2901998A Cited
US2938239A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-04-17 1964-10-17 1965-04-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-04-17 1968-10-17 1969-04-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-04-17 1972-10-17 1973-04-18 $7700.00 Window Closed / Lapsed

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