Automatic drain valve
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Description
The portions of the automatic drain valve shown in coarse dot pattern and outlined in dashed lines form no part of the claimed design.
Claims
The ornamental design for an automatic drain valve, as shown and described.
Patent History
Patent number: D681172
Type: Grant
Filed: Aug 6, 2010
Date of Patent: Apr 30, 2013
Assignee: TLV Co., Ltd. (Hyogo)
Inventor: Tomoyuki Fujita (Ono)
Primary Examiner: Garth Rademaker
Application Number: 29/367,386
Type: Grant
Filed: Aug 6, 2010
Date of Patent: Apr 30, 2013
Assignee: TLV Co., Ltd. (Hyogo)
Inventor: Tomoyuki Fujita (Ono)
Primary Examiner: Garth Rademaker
Application Number: 29/367,386
Classifications