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US1348957A Expired / Lapsed US ⏱️ 0.0 years remaining

Illumination of pictures

Assignee: WILLIAM B THOMPSON
•
Filing: 1918-07-15
•
Granted: 1920-08-10
•
Expires: 1938-07-15
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Abstract

No abstract record available.

Inventors

  • 👤 Pope Frederick John

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:02
CPC Classifications
G; G09; G09F; G09F13/00; G09F13/04; G09G; G09G3/00; G09G3/004

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1923-08-10 1924-02-09 1924-08-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1927-08-10 1928-02-09 1928-08-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1931-08-10 1932-02-09 1932-08-10 $7700.00 Window Closed / Lapsed

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