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US3109884A Expired / Lapsed US ⏱️ 0.0 years remaining

Reproduction process and apparatus for converting a corrected three-color separationrecord into a corrected four-color separation record

Assignee: Dr-Ing Rudolf Hell KG
•
Filing: 1959-04-16
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Granted: 1963-11-05
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Expires: 1979-04-16
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Abstract

No abstract record available.

Inventors

  • 👤 Zeyen Fritz-Otto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 01:58
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/56; H04N1/60; H04N1/6016; H04N1/6022

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 21 words
REPRODUCTION PROCESS FOR CONVERTING THREE CORRECTED COLOR SEPARATION RECORDS (YELLOW, MAGENTA, CYAN) INTO FOUR CORRECTED COLOR SEPARATON RECORDS (YELLOW, MAGENTA, CYAN,
Claim 2
Dependent Claim 21 words
REPRODUCTION PROCESS FOR CONVERTING THREE CORRECTED COLOR SEPARATION RECORDS (YELLOW, MAGENTA, CYAN) INTO FOUR CORRECTED COLOR SEPARATON RECORDS (YELLOW, MAGENTA, CYAN,

References Cited (Backward Citations)

US2873312A Cited
US2766319A Cited
US2947805A Cited
US2892016A Cited
US2981792A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-11-04 1967-05-06 1967-11-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-11-04 1971-05-06 1971-11-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-11-04 1975-05-06 1975-11-05 $7700.00 Window Closed / Lapsed

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