Filtration device
Latest CHANG TJER MACHINERY CO., LTD. Patents:
Description
The broken lines in the drawings illustrate portions of the filtration device which form no part of the claimed design.
Claims
I claim the ornamental design for a filtration device, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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Patent History
Patent number: D939661
Type: Grant
Filed: Jul 15, 2020
Date of Patent: Dec 28, 2021
Assignee: CHANG TJER MACHINERY CO., LTD. (Taichung)
Inventor: Yu-Tse Lin (Taichung)
Primary Examiner: Jack Reickel
Assistant Examiner: Keith J Wilson
Application Number: 29/741,742
Type: Grant
Filed: Jul 15, 2020
Date of Patent: Dec 28, 2021
Assignee: CHANG TJER MACHINERY CO., LTD. (Taichung)
Inventor: Yu-Tse Lin (Taichung)
Primary Examiner: Jack Reickel
Assistant Examiner: Keith J Wilson
Application Number: 29/741,742
Classifications
Current U.S. Class:
Filter Or Strainer (2) (D23/209)