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US2815310A Expired / Lapsed US ⏱️ 0.0 years remaining

Process of assembling in the art of changeable picture display devices

Assignee: Pictorial Productions Inc
•
Filing: 1952-03-01
•
Granted: 1957-12-03
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Expires: 1972-03-01
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Abstract

No abstract record available.

Inventors

  • 👤 Victor G Anderson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:35
CPC Classifications
G; G09; G09F; G09F19/00; G09F19/12; G09F19/14; Y; Y10; Y10S; Y10S116/00; Y10S116/15

Claims Analysis

Total Claims: 0
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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) 1960-12-02 1961-06-03 1961-12-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-12-02 1965-06-03 1965-12-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-12-02 1969-06-03 1969-12-03 $7700.00 Window Closed / Lapsed

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