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US2996400A Expired / Lapsed US ⏱️ 0.0 years remaining

Positive and negative electroprinting

Assignee: Eastman Kodak Co
•
Filing: 1956-08-30
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Granted: 1961-08-15
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Expires: 1976-08-30
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Abstract

No abstract record available.

Inventors

  • 👤 Rudd Robert Gilliam
  • 👤 Jarvis James Gordon

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 11:05
CPC Classifications
G; G03; G03G; G03G13/00; G03G13/14; G03G13/16; Y; Y10; Y10S; Y10S101/00; Y10S101/37

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1658844A Cited
US1784912A Cited
US2297691A Cited
US2829025A Cited
US2811465A Cited
US2824813A Cited
US2761416A Cited
US2758525A Cited
US2803177A Cited
US2820716A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-08-14 1965-02-13 1965-08-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-08-14 1969-02-13 1969-08-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-08-14 1973-02-13 1973-08-15 $7700.00 Window Closed / Lapsed

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