Patent US3109884A successfully refreshed from Google Patents.
US3109884A
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Reproduction process and apparatus for converting a corrected three-color separationrecord into a corrected four-color separation record
Assignee: Dr-Ing Rudolf Hell KG
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Filing: 1959-04-16
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Granted: 1963-11-05
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Expires: 1979-04-16
Abstract
No abstract record available.
Inventors
- 👤 Zeyen Fritz-Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:47
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)
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 |