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US2200481A Expired / Lapsed US ⏱️ 0.0 years remaining

Paper window shade

Assignee: Clopay Corp
•
Filing: 1938-04-07
•
Granted: 1940-05-14
•
Expires: 1958-04-07
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Abstract

No abstract record available.

Inventors

  • 👤 Arthur L Thexton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 16:10
CPC Classifications
E; E06; E06B; E06B9/00; E06B9/24; E06B9/40; A; A47; A47H; A47H23/00; A47H23/02; A47H23/08; A47H23/12; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24521; Y10T428/24529; Y10T428/24802; Y10T428/24934

Claims Analysis

Total Claims: 0
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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) 1943-05-14 1943-11-13 1944-05-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1947-05-14 1947-11-13 1948-05-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1951-05-14 1951-11-13 1952-05-14 $7700.00 Window Closed / Lapsed

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