Mattress core
Description
1. Mattress core
Claims
The ornamental design for a mattress core, as shown and described.
Referenced Cited
U.S. Patent Documents
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4053957 | October 18, 1977 | Regan |
4862538 | September 5, 1989 | Spann |
D307687 | May 8, 1990 | Raburn |
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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