Filter element having a pattern
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The evenly spaced broken lines shown in the drawings depict portions of the filter element having a pattern and form no part of the claimed design. The dot-dot-dash broken lines represent boundaries of the claimed design.
Claims
The ornamental design for a filter element having a pattern, as shown and described.
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- MSA Flexi-Filter® Pads for Advantage® Respirators, obtained from internet on May 18, 2015, http://us.msasafety.com/Air-Purifying-Respirators-%28APR%29/Filters-%26-Cartridges/Advantage%26reg%3B-Flexi-Filters%26reg%3B/p/000100001000001241.
Type: Grant
Filed: Jun 15, 2017
Date of Patent: Jun 2, 2020
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: John S. Huberty (St. Paul, MN), Michael J. Svendsen (Blaine, MN), Michael J. Thuente (St. Anthony Village, MN)
Primary Examiner: Sandra S Snapp
Application Number: 29/607,684