Measuring instrument and method of making same

Details Measuring instrument and method of making same Measuring instrument and method of making same

1993-07-28

1995-10-31

Fulton, Christopher W.

Geometrical instruments

Straightedge type

Rules

33493, B43L 700, G01B 302

Patent

active

054617952

ABSTRACT:
A measuring instrument, e.g. a ruler, has an upper measuring surface provided with graduation marks and numerals and a lower surface. The instrument comprises a first plastics molding formed with apertures therein and one or more second moldings molded to the lower surface of the first molding and having portions which extend at least into, and preferably through, the apertures in the molding to define the graduation marks and numerals. The two moldings and are of contrasting visual impact, e.g. different colors.

REFERENCES:
patent: 806546 (1904-09-01), Lawless
patent: 2089209 (1937-08-01), Keuffel et al.
patent: 2210422 (1940-08-01), Mercer
patent: 2247157 (1941-06-01), Little
patent: 2892437 (1959-06-01), Natoli
patent: 2948064 (1960-08-01), Wentsel
patent: 3934352 (1976-01-01), Quenot

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