Filter key

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Description

FIG. 1 is a perspective view of a filter key in accordance with the present disclosure;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a rear elevation view thereof.

The portions of the filter key shown in broken lines form no part of the claimed design.

Claims

The ornamental design for a filter key, as shown and described.

Referenced Cited

U.S. Patent Documents

D127470 May 1941 Carlson
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D780887 March 7, 2017 Huda

Patent History

Patent number: D813357
Type: Grant
Filed: Jul 1, 2016
Date of Patent: Mar 20, 2018
Assignee: ZIP Heaters Aus. Pty. Ltd. (Condell Park)
Inventors: Simon Bryant (New South Wales), Kevin Moult (New South Wales)
Primary Examiner: Sheryl Lane
Assistant Examiner: Calvin E Vansant
Application Number: 29/569,941

Classifications