Patent Publication Number: US-D985102-S

Title: Ventilation valve

Description:
1. Ventilation valve 
       2. Ventilation valve 
       Figure    1 . 1   of a first embodiment of a ventilation valve showing our new design; 
       Figure    1 . 2   is another perspective view thereof is another perspective view thereof; 
       Figure    1 . 3   is a front elevation view thereof, the rear elevation view being the minor image of Figure    1 . 3   ; 
       Figure    1 . 4   is side elevation view thereof, the other side elevation view being the mirror image of Figure    1 . 4   ; 
       Figure    2 . 1   of a second embodiment of a ventilation valve showing our new design; 
       Figure    2 . 2   is another perspective view thereof is another perspective view thereof; 
       Figure    2 . 3   is a front elevation view thereof, the rear elevation view being the minor image of Figure    2 . 3   ; and 
       Figure    2 . 4   is side elevation view thereof, the other side elevation view being the mirror image of Figure    2 . 4   .