Return air bulkhead
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The portions of the return air bulkhead shown in broken lines are included for the purpose of illustrating environment and form no part of the claimed design. The portions of the return air bulkhead shown in broken lines having unequal length segments illustrate the boundary of the claimed design and form no part of the claimed design.
Claims
I claim the ornamental design for a return air bulkhead, as shown and described.
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Type: Grant
Filed: Dec 9, 2011
Date of Patent: Oct 2, 2012
Assignee: Thermo King Corporation (Minneapolis, MN)
Inventor: Richard B. Jungwirth (Minnetrista, MN)
Primary Examiner: Mitchell Siegel
Attorney: Michael Best & Friedrich LLP
Application Number: 29/408,305