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US2496814A Expired / Lapsed US ⏱️ 0.0 years remaining

Plate burner for photoengraving

Assignee: Konica Minolta Graphic Imaging USA Inc
•
Filing: 1947-09-30
•
Granted: 1950-02-07
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Expires: 1967-09-30
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Frank T Powers
  • 👤 John M Powers

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 22:06
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/26; G03F7/40

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE296127C Cited
US633819A Cited
US1744409A Cited
US1888596A Cited
US2158158A Cited
US2273126A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1953-02-06 1953-08-08 1954-02-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1957-02-06 1957-08-08 1958-02-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1961-02-06 1961-08-08 1962-02-07 $7700.00 Window Closed / Lapsed

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