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US2794092A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: FIVE STAR Co Inc
•
Filing: 1953-11-12
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Granted: 1957-05-28
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Expires: 1973-11-12
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Abstract

No abstract record available.

Inventors

  • 👤 Bertil S Bengtsson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 09:07
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/36; H01H50/40

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US544236A Cited
US1085810A Cited
US1534753A Cited
FR579729A Cited
US1992610A Cited
US2140139A Cited
US2454060A Cited
US2580123A Cited
US2524874A Cited
US2664478A Cited
US2666826A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-05-27 1960-11-26 1961-05-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-05-27 1964-11-26 1965-05-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-05-27 1968-11-26 1969-05-28 $7700.00 Window Closed / Lapsed

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