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United States Patent
October 25, 2011
The ornamental design for mattress core, as shown and described.
Mantzis; George (Campbellfield, AU) Assignee:
Mantzis Holdings Pty., Ltd.
April 1, 2011 Related U.S. Patent Documents
Application Number Filing Date Patent Number Issue Date 29351679 Dec., 2009
Foreign Application Priority Data
Jun 09, 2009
Current U.S. Class: D6/605 ; D6/601
Current International Class:
Field of Search:
U.S. Patent Documents Primary Examiner:
Attorney, Agent or Firm: Merchant & Gould P.C.
FIG. 1 top view showing my design for a mattress core thereof;
FIG. 2 is a first end view;
FIG. 3 is a second end view;
FIG. 4 is a bottom view;
FIG. 5 is a first side view;
FIG. 6 is a second side view; and,
FIG. 7 is top perspective view.
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