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US2118792A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Trico Products Corp
•
Filing: 1936-05-01
•
Granted: 1938-05-24
•
Expires: 1956-05-01
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Abstract

No abstract record available.

Inventors

  • 👤 Erwin C Horton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 22:30
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/32; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/18896

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) 1941-05-23 1941-11-22 1942-05-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1945-05-23 1945-11-22 1946-05-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1949-05-23 1949-11-22 1950-05-24 $7700.00 Window Closed / Lapsed

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