Patent
   D291368
Priority
Feb 03 1984
Filed
Jul 10 1984
Issued
Aug 11 1987
Expiry
Aug 11 2001
Assg.orig
Entity
unknown
4
7
n/a
The ornamental design for a filter holder, as shown and described.

FIG. 1 is a perspective view of a filter holder showing my new design;

FIG. 2 is a side elevational view thereof, the opposite and adjacent sides being substantially the same in appearance;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a vertical sectional view thereof, taken along line AA of FIG. 3.

Halberstadt, Alex L., Letchford, John A.

Patent Priority Assignee Title
D665121, Mar 19 2012 3form, LLC Double-tier folded resin sheet array
D698480, Apr 12 2012 Steinel GmbH Exterior light
ER1454,
ER312,
Patent Priority Assignee Title
2962583,
3871752,
220119,
D250911, Apr 26 1977 KOEHLER MANUFACTURING COMPANY, MASSACHUSETTS CORP Mining machine headlight
D250968, Mar 04 1977 Ring for lighting fixture
D271043, Mar 23 1981 Mole-Richardson Co. Combined flood and spot light
D286444, Nov 17 1983 U.S. Philips Corporation Lighting fixture
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 19 1984LETCHFORD, JOHN A Thorn EMI plcASSIGNMENT OF ASSIGNORS INTEREST 0042840826 pdf
Jun 19 1984HALBERSTADT, ALEX L Thorn EMI plcASSIGNMENT OF ASSIGNORS INTEREST 0042840826 pdf
Jul 10 1984Thorn EMI plc(assignment on the face of the patent)
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