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US1912083A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of manufacturing silent gears

Assignee: FORMICA INSULATION Co
•
Filing: 1932-06-11
•
Granted: 1933-05-30
•
Expires: 1952-06-11
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Abstract

No abstract record available.

Inventors

  • 👤 Robert W Lytle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:14
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/02; F16H55/06; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19893; Y10T74/19916

Claims Analysis

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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1936-05-29 1936-11-28 1937-05-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1940-05-29 1940-11-28 1941-05-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1944-05-29 1944-11-28 1945-05-30 $7700.00 Window Closed / Lapsed

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