← Back to Patent Explorer
US3329501A Expired / Lapsed US ⏱️ 0.0 years remaining

Photographic color image formation

Assignee: Individual
•
Filing: 1961-03-31
•
Granted: 1967-07-04
•
Expires: 1981-03-31
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 John B Peaty

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 17:16
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/72

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 244 words
IN THE PROCESS OF MAKING GRAPHIC REPRODUCTIONS IN COLOR OF AN OBJECT, INCLUDING EXPOSING A FIRST SET OF PHOTOGRAPHIC FILMS TO INDIVIDUAL SUBSTANTIALLY RED, BLUE, AND GREEN PRIMARY COLOR COMPONENT OPTICAL IMAGES OF SAID OBJECT AND DEVELOPING SAID FILMS INTO A SET OF CYAN, YELLOW, AND MAGENTA SEPARATION NEGATIVES, RESPECTIVELY, THE METHOD OF: EXPOSING A SECOND SET OF PHOTOGRAPHIC FILMS TO INDIVIDUAL SUBSTANTIALLY RED, BLUE AND GREEN PRIMARY COLOR COMPONENT OPTICAL IMAGES OF SAID OBJECT; DEVELOPING SAID SECOND SET OF PHOTOGRAPHIC FILMS INTO A SET OF CYAN, YELLOW, AND MAGENTA COLOR CONTROL NEGATIVES, RESPECTIVELY, OF HIGHER CONTRAST THAN SAID SEPARATION NEGATIVES; EXPOSING A THIRD SET OF FILMS TO RED, BLUE, AND GREEN COLOR COMPONENT OPTICAL IMAGES OF SAID OBJECT THROUGH AND IN REGISTRY WITH SAID MAGENTA, CYAN, AND YELLOW COLOR CONTROL NEGATIVES, RESPECTIVELY; DEVELOPING SAID THIRD SET OF FILMS TO PRODUCE MAGENTA, CYAN AND YELLOW SELECTIVE POSITIVE-NEGATIVES; PLACING SAID MAGENTA, CYAN AND YELLOW SEPARATION NEGATIVES, RESPECTIVELY, IN REGISTRY WITH AT LEAST ONE OF SAID POSITIVE-NEGATIVES OF A DIFFERENT COLOR DESIGNATION AND EXPOSING A FOURTH SET OF FILMS TO UNIFORM LIGHT PASSING THERETHROUGH AND DEVELOPING SAID FOURTH SET OF FILMS TO PRODUCE A SET OF COLOR-CORRECTED MAGENTA, CYAN AND YELLOW POSITIVES, RESPECTIVELY; AND PLACING EACH OF SAID COLOR-CORRECTED POSITIVES IN REGISTRY WITH THE SELECTIVE POSITIVE OF THE SAME COLOR DESIGNATION AND EXPOSING A FIFTH SET OF FILMS TO UNIFORM LIGHT PASSING THERETHROUGH AND DEVELOPING SIAD FIFTH SET FILMS TO PRODUCE A SET OF COLOR-CORRECTED NEGATIVES.
Claim 2
Dependent Claim 244 words
IN THE PROCESS OF MAKING GRAPHIC REPRODUCTIONS IN COLOR OF AN OBJECT, INCLUDING EXPOSING A FIRST SET OF PHOTOGRAPHIC FILMS TO INDIVIDUAL SUBSTANTIALLY RED, BLUE, AND GREEN PRIMARY COLOR COMPONENT OPTICAL IMAGES OF SAID OBJECT AND DEVELOPING SAID FILMS INTO A SET OF CYAN, YELLOW, AND MAGENTA SEPARATION NEGATIVES, RESPECTIVELY, THE METHOD OF: EXPOSING A SECOND SET OF PHOTOGRAPHIC FILMS TO INDIVIDUAL SUBSTANTIALLY RED, BLUE AND GREEN PRIMARY COLOR COMPONENT OPTICAL IMAGES OF SAID OBJECT; DEVELOPING SAID SECOND SET OF PHOTOGRAPHIC FILMS INTO A SET OF CYAN, YELLOW, AND MAGENTA COLOR CONTROL NEGATIVES, RESPECTIVELY, OF HIGHER CONTRAST THAN SAID SEPARATION NEGATIVES; EXPOSING A THIRD SET OF FILMS TO RED, BLUE, AND GREEN COLOR COMPONENT OPTICAL IMAGES OF SAID OBJECT THROUGH AND IN REGISTRY WITH SAID MAGENTA, CYAN, AND YELLOW COLOR CONTROL NEGATIVES, RESPECTIVELY; DEVELOPING SAID THIRD SET OF FILMS TO PRODUCE MAGENTA, CYAN AND YELLOW SELECTIVE POSITIVE-NEGATIVES; PLACING SAID MAGENTA, CYAN AND YELLOW SEPARATION NEGATIVES, RESPECTIVELY, IN REGISTRY WITH AT LEAST ONE OF SAID POSITIVE-NEGATIVES OF A DIFFERENT COLOR DESIGNATION AND EXPOSING A FOURTH SET OF FILMS TO UNIFORM LIGHT PASSING THERETHROUGH AND DEVELOPING SAID FOURTH SET OF FILMS TO PRODUCE A SET OF COLOR-CORRECTED MAGENTA, CYAN AND YELLOW POSITIVES, RESPECTIVELY; AND PLACING EACH OF SAID COLOR-CORRECTED POSITIVES IN REGISTRY WITH THE SELECTIVE POSITIVE OF THE SAME COLOR DESIGNATION AND EXPOSING A FIFTH SET OF FILMS TO UNIFORM LIGHT PASSING THERETHROUGH AND DEVELOPING SIAD FIFTH SET FILMS TO PRODUCE A SET OF COLOR-CORRECTED NEGATIVES.

References Cited (Backward Citations)

US2177195A Cited
US2971841A Cited
US3022164A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-07-03 1971-01-02 1971-07-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-07-03 1975-01-02 1975-07-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-07-03 1979-01-02 1979-07-04 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag