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Class Information
Number: 5/901
Name: Beds > Mattress or pad with a convoluted (e.g., egg crate) surface
Description: A collection of documents under 900.5, wherein at least a portion of the supporting surface comprises a pattern of protrusions, or bumps and valleys, or cavities that simulates the shape of the lower portion of an egg container.

Patents under this class:

Patent Number Title Of Patent Date Issued
8677532 Portable support mat Mar. 25, 2014
8549684 Gelastic material having variable or same hardness and balanced, independent buckling in a mattress system Oct. 8, 2013
7065816 Mattress Jun. 27, 2006
6701557 Single piece foam toppers with perimeter areas having variable support and firmness properties Mar. 9, 2004
6434771 Mattress incorporating tourmaline Aug. 20, 2002
6052851 Mattress for minimizing decubitus ulcers Apr. 25, 2000
6041459 Convoluted foam cushion Mar. 28, 2000
6016581 Semi-fluid mattress Jan. 25, 2000
5937465 Infant mattress system with sleeping recess Aug. 17, 1999

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