Mattress core
Description
Claims
The ornamental design for a mattress core, as shown and described.
Referenced Cited
U.S. Patent Documents
6101651 | August 15, 2000 | Tang |
6295676 | October 2, 2001 | Warner |
D528340 | September 19, 2006 | Contreras |
7120956 | October 17, 2006 | Liao |
7520011 | April 21, 2009 | Liberkowski |
D606794 | December 29, 2009 | Steppat et al. |
7930783 | April 26, 2011 | Rawls-Meehan |
D647350 | October 25, 2011 | Mantzis |
8099812 | January 24, 2012 | Steppat et al. |
8181296 | May 22, 2012 | Rawls-Meehan |
Patent History
Patent number: D724352
Type: Grant
Filed: May 30, 2013
Date of Patent: Mar 17, 2015
Inventors: James R. Malkiewicz (Sacramento, CA), Michael J. Malkiewicz (Escondido, CA)
Primary Examiner: Janice Seeger
Application Number: 29/456,323
Type: Grant
Filed: May 30, 2013
Date of Patent: Mar 17, 2015
Inventors: James R. Malkiewicz (Sacramento, CA), Michael J. Malkiewicz (Escondido, CA)
Primary Examiner: Janice Seeger
Application Number: 29/456,323
Classifications
Current U.S. Class:
D6/606;
D6/596