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US2989995A Expired / Lapsed US ⏱️ 0.0 years remaining

Composite air-directing and heatdissipating gear housings

Assignee: Singer Co
•
Filing: 1959-06-17
•
Granted: 1961-06-27
•
Expires: 1979-06-17
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Abstract

No abstract record available.

Inventors

  • 👤 Happe Reynold

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 16:49
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/12; B23Q11/126; B23Q11/127; B27; B27B; B27B9/00; F; F16; F16H; F16H57/00; F16H57/02; F16H57/027; H; H02; H02K; H02K7/00; H02K7/10; H02K7/116; H02K7/14; H02K7/145; F16H2057/02034; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19647; Y10T74/19651; Y10T74/19679; Y10T74/19684; Y10T74/21; Y10T74/2186; Y10T83/00; Y10T83/283; Y10T83/95; Y10T83/96

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2488947A Cited
US2639737A Cited
US2905213A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-06-26 1964-12-26 1965-06-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-06-26 1968-12-26 1969-06-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-06-26 1972-12-26 1973-06-27 $7700.00 Window Closed / Lapsed

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