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US2463093A Expired / Lapsed US ⏱️ 0.0 years remaining

Device for enlarging or reducing outlines of an image in color printing

Assignee: Individual
•
Filing: 1945-01-16
•
Granted: 1949-03-01
•
Expires: 1965-01-16
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Abstract

No abstract record available.

Inventors

  • 👤 Felder Joseph

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:01
CPC Classifications
G; G03; G03F; G03F3/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US242412A Cited
US926377A Cited
US1052732A Cited
US1230532A Cited
US1859620A Cited
US1978559A Cited
US2178933A Cited
US2178118A Cited
US2286883A Cited
US2365225A Cited
US2407211A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-02-29 1952-08-30 1953-03-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-02-29 1956-08-30 1957-03-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-02-29 1960-08-30 1961-03-01 $7700.00 Window Closed / Lapsed

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