Two-stage water filtration
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Description
The broken lines in the drawing depict portions of the two-stage water filtration, and the environmental subject matter only and form no part of the claimed design.
Claims
The ornamental design for a two-stage water filtration, as shown and described.
Referenced Cited
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Patent History
Patent number: D781646
Type: Grant
Filed: Dec 15, 2015
Date of Patent: Mar 21, 2017
Assignee: Cool Gear International, LLC (Plymouth, MA)
Inventors: Donna Roth (Duxbury, MA), Henry Roth (Duxbury, MA), John D. Mason (Bridgewater, MA)
Primary Examiner: Marianne Pandozzi
Assistant Examiner: Jae Liang
Application Number: 29/548,663
Type: Grant
Filed: Dec 15, 2015
Date of Patent: Mar 21, 2017
Assignee: Cool Gear International, LLC (Plymouth, MA)
Inventors: Donna Roth (Duxbury, MA), Henry Roth (Duxbury, MA), John D. Mason (Bridgewater, MA)
Primary Examiner: Marianne Pandozzi
Assistant Examiner: Jae Liang
Application Number: 29/548,663
Classifications
Current U.S. Class:
D7/400;
D7/399;
D7/387;
D7/397