Protective enclosure

Details Protective enclosure Protective enclosure

2004-11-10

2009-06-23

Yip, Winnie (Department: 3636)

Tent, canopy, umbrella, or cane

Portable shelter

Cover for shelter

C135S137000, C135S093000, C002S457000, C002S084000, C428S196000, C005S417000

Reexamination Certificate

active

07549431

ABSTRACT:
The present invention describes chemical protective enclosure comprising a waterproof outer surface comprising an impermeable portion and an air diffusive portion, and further comprising a chemically adsorptive material substantially adjacent the air diffusive portion, wherein there is sufficient diffusion of breathable air into the chemical protective enclosure to sustain life.

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