Patent
   D338524
Priority
Apr 24 1992
Filed
Apr 24 1992
Issued
Aug 17 1993
Expiry
Aug 17 2007
Assg.orig
Entity
unknown
1
1
n/a
The ornamental design for a freezer ambient air exchange device, as shown and described.

FIG. 1 is a perspective view of the freezer ambient air exchange device embodying the design of the present invention;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof.

The vertical tubular portion has been broken away in the middle in FIGS. 1-5, to indicate indeterminate length.

Allestad, Lars, Allestad, Oscar

Patent Priority Assignee Title
D664637, Nov 08 2011 Air Distribution Technologies IP, LLC Indicator for a damper inside the duct work for an HVAC system
Patent Priority Assignee Title
D297158, Jan 13 1986 Atlas Air Australia Pty., Limited Air delivery duct
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