Graduated measuring device with color coded indicia

Details Graduated measuring device with color coded indicia Graduated measuring device with color coded indicia

1995-04-19

1999-03-23

Bennett, G. Bradley

Geometrical instruments

Straightedge type

Rules

33761, B43L 700, G01B 302, G01B 310

Patent

active

058844082

ABSTRACT:
A measuring device having an elongated member with at least one measuring edge and a measuring indicia including successive groups of equally spaced color coded measuring marks located adjacent to and extending along the length of the measuring edge. Each successive group is identified by a different label. Each individual measuring mark corresponds to a selected fractional portion of the group wherein it is located and has a color which is different from all of the remaining measuring marks in the group and is the same color as the measuring marks in each successive group which correspond to the corresponding fractional portion in each successive group.

REFERENCES:
patent: 1372691 (1921-03-01), Herman et al.
patent: 1469944 (1923-10-01), Merrill
patent: 1602490 (1926-10-01), Homan
patent: 1776245 (1930-09-01), Barrett
patent: 1816548 (1931-07-01), Robidoux
patent: 2077828 (1937-04-01), Dombrowski
patent: 2561020 (1951-07-01), Gerber
patent: 4323234 (1982-04-01), Glaese
patent: 4547969 (1985-10-01), Haack
patent: 4750270 (1988-06-01), Kundikoff
patent: 4970797 (1990-11-01), Sarasin
patent: 5335421 (1994-08-01), Jones, Jr.

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