Title: Measuring magnifier with special reticle

Abstract: A measuring device to determine whether the width of a printed bar falls within prescribed tolerances has a sleeve with a magnifying lens at one end and a reticle at the other end. The reticle is inscribed with indicia for providing an immediate visual indication of the magnitude of width of the bar.

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Inventors: Schneider, David (Lexington, MA, US)
Soares, Lewis (Burlington, MA, US)

Application Number: 521242
Filing Date: 1974-11-06
Publication_date: 1976-03-09
Assignee: Sweetheart Plastics, Inc. (Wilmington, MA)
Primary Class(es): 356/397 33/297, 123/611, 123/646, 250/568, 356/636
Other Classes:
US Patent Ref:

3546778

Dec, 1970

Lepkowski

356/171.

Other Refs:
Primary Examiner: Rolinec, R. V.
Assistant Examiner: Hostetter, Darwin R.
Attorney: Wolf, Greenfield & Sacks