Patent
   D648863
Priority
Oct 01 2008
Filed
Mar 08 2011
Issued
Nov 15 2011
Expiry
Nov 15 2025
Assg.orig
Entity
unknown
0
38
n/a
The ornamental design for a dual chamber cartridge, as shown and described.

FIG. 1 is a perspective view of a dual chamber cartridge, showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a back elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

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

FIG. 7 is a bottom plan view thereof.

Gullicks, Scott D., Simmers, Ryan Patrick, Schulz, Mark F., Janssen, Jeffrey R.

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Mar 08 20113M Innovative Properties Company(assignment on the face of the patent)
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