Patent
   D344968
Priority
Sep 26 1990
Filed
Sep 26 1990
Issued
Mar 08 1994
Expiry
Mar 08 2008
Assg.orig
Entity
unknown
11
11
n/a
The ornamental design for an optical filter prism, as shown.

FIG. 1 is a front perspective view of an optical filter prism showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is an opposite side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

Dowd, David

Patent Priority Assignee Title
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ER2175,
ER7003,
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ER7272,
Patent Priority Assignee Title
1855987,
1970209,
2442564,
3121525,
3590499,
4170401, Aug 15 1977 The Perkin-Elmer Corporation Passive error compensating device for optical alignment
4537001, May 23 1983 Building elements
4623225, Jun 29 1984 Melles Griot, Irvine Company Anamorphic prism for beam shaping
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D313250, May 18 1987 Seven-sided die
GB336,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 26 1990Luminati Ltd., Inc.(assignment on the face of the patent)
Mar 21 1991DOWD, DAVIDLUMINATI LTD , INC ASSIGNMENT OF ASSIGNORS INTEREST 0056400832 pdf
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