Filter key
Description
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
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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
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