Patent
   D243973
Priority
Mar 01 1976
Filed
Mar 01 1976
Issued
Apr 05 1977
Expiry
Apr 05 1991
Assg.orig
Entity
unknown
14
5
n/a
The ornamental design for a retinoscope, as shown and described.

FIG. 1 is a front elevation of a retinoscope embodying our new design;

FIG. 2 is a right side elevation of the retinoscope of FIG. 1, the left side elevation being a mirror image thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a front elevation of a modified form illustrated in the retinoscope of FIG. 1 wherein the instrument is modified as to the neck portion only, the neck portion being cylindrical and unbroken and therefore all elevational views thereof are identical.

Pulos, Arthur J., Sweeney, Paul B.

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D959661, Jan 16 2018 Welch Allyn, Inc Medical viewing device
Patent Priority Assignee Title
3035483,
3439978,
3776619,
175322,
202659,
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Mar 01 1976Welch Allyn, Inc.(assignment on the face of the patent)
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