Air release valve
Description
With reference
The intended use of the design is a valve for insertion and removal of air from water lines and liquids.
Claims
The ornamental design for an air release valve, as shown and described.
Patent History
Patent number: D682397
Type: Grant
Filed: Oct 28, 2010
Date of Patent: May 14, 2013
Inventor: Itzhak Ben-Nun (Kibbutz Dorot)
Primary Examiner: Garth Rademaker
Application Number: 29/377,934
Type: Grant
Filed: Oct 28, 2010
Date of Patent: May 14, 2013
Inventor: Itzhak Ben-Nun (Kibbutz Dorot)
Primary Examiner: Garth Rademaker
Application Number: 29/377,934
Classifications
Current U.S. Class:
Symmetrical On One Axis (D23/248)