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US3466819A Expired / Lapsed US ⏱️ 0.0 years remaining

Drain construction for window sash and the like

Assignee: FC METAL Inc 650 WASHINGTON ROAD PITTSBURGH PA 15228 ACORP OF
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Filing: 1967-07-28
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Granted: 1969-09-16
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Expires: 1987-07-28
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Abstract

No abstract record available.

Inventors

  • 👤 Richard N Giger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:04
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/14; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7869; Y10T137/7871; Y10T137/7873

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

GB284981A Cited
US2117581A Cited
GB524253A Cited
US2768643A Cited
US3113587A Cited
US3091008A Cited
US3314201A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-09-15 1973-03-17 1973-09-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-09-15 1977-03-17 1977-09-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-09-15 1981-03-17 1981-09-16 $7700.00 Window Closed / Lapsed

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