Patent
   D254693
Priority
Dec 02 1977
Filed
Dec 02 1977
Issued
Apr 08 1980
Expiry
Apr 08 1994
Assg.orig
Entity
unknown
4
3
n/a
An ornamental design for a light diffuser for a luminaire, as shown and described.

FIG. 1 is a bottom plan view of a light diffuser for a luminaire showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is an enlarged fragmentary cross sectional view through a luminaire light diffuser as taken along line 4--4 of FIG. 1;

FIG. 5 is a greatly enlarged fragmentary cross sectional view through a luminaire light diffuser taken along line 5--5 of FIG. 4;

FIG. 6 is a greatly enlarged fragmentary cross sectional view of a luminaire light diffuser taken along line 6--6 of FIG. 4;

FIG. 7 is a greatly enlarged fragmentary cross sectional view of a luminaire light diffuser taken along line 7--7 of FIG. 4;

FIG. 8 is a greatly enlarged fragmentary cross sectional view of a luminaire light diffuser taken along line 8--8 of FIG. 4;

FIG. 9 is a greatly enlarged fragmentary cross sectional view of a luminaire light diffuser taken along line 9--9 of FIG. 8; and

FIG. 10 is a greatly enlarged view of a portion of the faceting on the bottom or exterior surface of the diffuser skirt.

The faceting on the diffuser is partially shown in FIGS. 1, 2 and 3 for convenience of illustration, it being understood that the faceting is continuous around the areas on which it is partially shown.

Yahraus, Theodor G., Dahl, Russell C.

Patent Priority Assignee Title
7156537, May 17 2004 Strip light shade
D467028, Apr 10 2001 Kabushiki Kaisha T AN T Cover lens for an automotive lamp
D494536, Mar 24 2003 LAKESOUTH HOLDINGS LLC Hinged solar collector for light
D865038, Sep 18 2017 Light diffuser
Patent Priority Assignee Title
3766375,
116943,
229090,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 02 1977National Service Industries, Inc.(assignment on the face of the patent)
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