Air intake stack
Description
The broken line showing is included for the purpose of illustrating portions of the article that form no part of the claimed design.
Claims
The ornamental design for an air intake stack, as shown and described.
Referenced Cited
Patent History
Patent number: D594399
Type: Grant
Filed: Dec 19, 2007
Date of Patent: Jun 16, 2009
Inventor: Robert Matthew Johnson (Westerly, RI)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Eric L Goodman
Attorney: Krajec Patent Offices, LLC
Application Number: 29/299,072
Type: Grant
Filed: Dec 19, 2007
Date of Patent: Jun 16, 2009
Inventor: Robert Matthew Johnson (Westerly, RI)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Eric L Goodman
Attorney: Krajec Patent Offices, LLC
Application Number: 29/299,072
Classifications