Patent US3088227A successfully refreshed from Google Patents.
US3088227A
Expired / Lapsed
US
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Color harmony chart
Assignee: TUDOR COLOR CORP
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Filing: 1961-03-24
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Granted: 1963-05-07
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
- 👤 Charles W Tudor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:37
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/46; G01J3/52; G01J3/526; G01J3/528; G01J3/522
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A COLOR CHART INCLUDING AT LEAST THREE SUPERIMPOSED TRANSPARENT ELEMENTS MOVABLE WITH RESPECT TO EACH OTHER EACH ELEMENT HAVING AT LEAST TWO MONOCHROMATIC COLOR BANDS HAVING COLOR GRADATIONS RANGING IN CORRESPONDING STEPS FROM MAXIMUM BRILLIANCE TO MAXIMUM SATURATION IN OPPOSITE DIRECTIONS WITH RESPECT TO THE RELATIVE MOTION OF THE ELEMENTS, THE CORRESPONDING BANDS ON THE ELEMENTS BEING IN OVERLYING RELATION, SAID BANDS AND ELEMENTS BEING ARRANGED SO THAT FOR ANY COLOR VIEWED BY TRANSMITTED LIGHT IN A GRADATION OF ONE BAND THE COMPLEMENTARY OF THAT COLOR IS VIEWED IN THE ADJACENT GRADATION OF ANOTHER BAND, SAID COLORS OF SAID DIFFERENT ELEMENTS BEING SELECTED SO THAT WHEN COLORS OF EQUAL TONE ARE SUPERIMPOSED THE RESULTANT COLOR IS A NEUTRAL GREY.
Claim 2
Dependent Claim
119 words
A COLOR CHART INCLUDING AT LEAST THREE SUPERIMPOSED TRANSPARENT ELEMENTS MOVABLE WITH RESPECT TO EACH OTHER EACH ELEMENT HAVING AT LEAST TWO MONOCHROMATIC COLOR BANDS HAVING COLOR GRADATIONS RANGING IN CORRESPONDING STEPS FROM MAXIMUM BRILLIANCE TO MAXIMUM SATURATION IN OPPOSITE DIRECTIONS WITH RESPECT TO THE RELATIVE MOTION OF THE ELEMENTS, THE CORRESPONDING BANDS ON THE ELEMENTS BEING IN OVERLYING RELATION, SAID BANDS AND ELEMENTS BEING ARRANGED SO THAT FOR ANY COLOR VIEWED BY TRANSMITTED LIGHT IN A GRADATION OF ONE BAND THE COMPLEMENTARY OF THAT COLOR IS VIEWED IN THE ADJACENT GRADATION OF ANOTHER BAND, SAID COLORS OF SAID DIFFERENT ELEMENTS BEING SELECTED SO THAT WHEN COLORS OF EQUAL TONE ARE SUPERIMPOSED THE RESULTANT COLOR IS A NEUTRAL GREY.
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |