Grain bin vent cover
Description
The broken line showing the grain bin in
Claims
The ornamental design for a grain bin vent cover, as shown and described.
Patent History
Patent number: D678996
Type: Grant
Filed: Nov 18, 2011
Date of Patent: Mar 26, 2013
Inventor: Ryan S Jones (Effingham, IL)
Primary Examiner: David Muller
Application Number: 29/406,728
Type: Grant
Filed: Nov 18, 2011
Date of Patent: Mar 26, 2013
Inventor: Ryan S Jones (Effingham, IL)
Primary Examiner: David Muller
Application Number: 29/406,728
Classifications
Current U.S. Class:
Vent, Ductwork, Or Element Thereof (D23/393)