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US2603125A Expired / Lapsed US ⏱️ 0.0 years remaining

Combination enlarger and projector system

Assignee: ADA FUEGEMAN
•
Filing: 1949-08-16
•
Granted: 1952-07-15
•
Expires: 1969-08-16
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Abstract

No abstract record available.

Inventors

  • 👤 Evers Alfred

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:19
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/32; G03B27/326; G03B21/00; G03B21/001

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE382193C Cited
US1153163A Cited
US1262180A Cited
US2050317A Cited
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US2501469A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-07-15 1956-01-14 1956-07-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-07-15 1960-01-14 1960-07-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-07-15 1964-01-14 1964-07-15 $7700.00 Window Closed / Lapsed

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