Patent
   D444158
Priority
Aug 31 2000
Filed
Aug 31 2000
Issued
Jun 26 2001
Expiry
Jun 26 2015
Assg.orig
Entity
unknown
3
8
n/a
The ornamental design for an optical monitoring window having six wear resistant posts, as shown and described.

FIG. 1 is front and side perspective view of an optical window having six wear resistant posts showing my new design;

FIG. 2 is a front view thereof, the rear view being of identical appearance;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a side view thereof, the opposite side being of identical appearance; and,

FIG. 6 is a front view of an alternative embodiment of the optical window of the present invention wherein the said posts are of narrower diameter than the posts in the embodiment of FIG. 2 .

Saldana, Frank

Patent Priority Assignee Title
D757992, Aug 28 2014 Illumination lense
D881966, May 16 2018 Plasser & Theurer, Export von Bahnbaumaschinen, Gesellschaft m.b.H. Catadioptric reflector
D888122, Oct 11 2018 Moeller Mfg. Company, LLC Borescope plug lockring
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