US PATENT SUBCLASS 297 / 272.3
.~.~.~ Inflatable
Current as of: June, 1999
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DEFINITION
Classification: 297/272.3
Inflatable:
(under subclass 272.2) Device wherein the cushion or shoe comprises a tube of resilient material (e.g., soft rubber) adapted to be inflated with a fluid (e.g., air).