Multi-viewing microscope attachment

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Description

FIG. 1 is a plan view of one side of the multi-viewing microscope attachment, the opposite side thereof being of substantially the same appearance;

FIG. 2 is a fragmentary plan view of the opposite side of FIG. 1, the central connecting portion only.

FIG. 3 is a top plan view of the multi-viewing microscope attachment, and

FIG. 4 is a plan view of the opposite (or bottom) side of FIG. 3, the central connecting portion only.

Referenced Cited
U.S. Patent Documents
1360735 November 1920 Mazuel
3186300 June 1965 Littmann
3582178 June 1971 Boughton et al.
3895854 July 1975 Ziffer
Patent History
Patent number: D242791
Type: Grant
Filed: Mar 3, 1976
Date of Patent: Dec 21, 1976
Assignee: American Optical Corporation (Southbridge, MA)
Inventor: John T. Armbruster (Niagara Falls, NY)
Primary Examiner: Bernard Ansher
Attorney: William C. Nealon
Application Number: 5/663,374
Classifications
Current U.S. Class: D16/83
International Classification: D1606;