Mattress core
Description
1. Mattress core
Claims
The ornamental design for a mattress core, as shown and described.
Referenced Cited
U.S. Patent Documents
| 3209380 | October 1965 | Watsky |
| 4053957 | October 18, 1977 | Regan |
| 4862538 | September 5, 1989 | Spann |
| D307687 | May 8, 1990 | Raburn |
| D307690 | May 8, 1990 | Raburn |
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| D421358 | March 7, 2000 | Henson |
| D446071 | August 7, 2001 | Hawkins |
| D581715 | December 2, 2008 | Scheuch |
| D642847 | August 9, 2011 | Rinehart |
| D675051 | January 29, 2013 | Sobran |
| D740053 | October 6, 2015 | Sobran |
| 9167909 | October 27, 2015 | Cappadona |
Patent History
Patent number: D787862
Type: Grant
Filed: Dec 30, 2015
Date of Patent: May 30, 2017
Inventor: Adam Szpyt (Hamburg)
Primary Examiner: Mary Ann Calabrese
Application Number: 35/500,531
Type: Grant
Filed: Dec 30, 2015
Date of Patent: May 30, 2017
Inventor: Adam Szpyt (Hamburg)
Primary Examiner: Mary Ann Calabrese
Application Number: 35/500,531
Classifications
Current U.S. Class:
D6/606
