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US5311293A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and instrument for selecting personal compatible colors

Assignee: COLOR DATA LLC
•
Filing: 1993-01-29
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Granted: 1994-05-10
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Expires: 2013-01-29
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Abstract

Abstract Skin coloration categories are identified based upon blue and yellow undertones of the skin using a color measuring device, developing the Hunter b value, utilizing that value alone to determine which of several categories of skin coloration a subject's skin exhibits. Category selection is made by comparison of measured Hunter b with ranges of Hunter b value of skin color categories. Instrumentation to effect the method includes the color measuring device, a central processing unit (CPU), memory storing the ranges of Hunter b, and an output device such as a printer, LCD, or CRT. The skin color Hunter b is calculated and compared to stored ranges to assign a category. The output device displays the category of skin color based upon the central processing unit's comparison. Colors compatible with skin color categories are identified or formulated based upon broad color family designation, yellow, brown, red, etc., and a comparison of measured and stored ranges of known or specially developed color characteristics for the particular family.

Inventors

  • 👤 Darby S. MacFarlane
  • 👤 David K. MacFarlane
  • 👤 Fred W. Billmeyer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 03:54
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/44; A61B5/448; A45; A45D; A45D44/00; A45D44/005; A61B5/103; A61B5/1032; A61B5/1034; A61B5/72; A61B5/7235; A61B5/7264; G; G01; G01J; G01J3/00; G01J3/46; G01J3/52; G01J3/524; G01J3/526; G01J3/528; G01J3/463; G01J3/465; G16; G16H; G16H50/00; G16H50/20

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 68 words
A color chart bearing representations of product colors, the chart having regions thereon identified solely by skin coloration categories, a plurality of product color representations in each of the categories, each color representation in each category having at least one blue or yellow content adjusting characteristic predetermined to determine compatibility with skin color of the associated skin coloration category in the identified color family of that color representation.
Claim 2
Dependent Claim 68 words
A color chart bearing representations of product colors, the chart having regions thereon identified solely by skin coloration categories, a plurality of product color representations in each of the categories, each color representation in each category having at least one blue or yellow content adjusting characteristic predetermined to determine compatibility with skin color of the associated skin coloration category in the identified color family of that color representation.

References Cited (Backward Citations)

US1582122A Cited
US3003388A Cited
US4241738A Cited
US4561850A Cited
US4654794A Cited
JPS60257328A Cited
US4681546A Cited
US4909632A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1997-05-09 1997-11-08 1998-05-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2001-05-09 2001-11-08 2002-05-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2005-05-09 2005-11-08 2006-05-10 $7700.00 Window Closed / Lapsed

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