US PATENT SUBCLASS 5 / 950
.~.~ Comprising feathers or down

Current as of: June, 1999
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5 /   HD   BEDS

948  DF  BODY SUPPORT WITH UNIQUE, SPECIFIC FILLER MATERIAL {4}
949  DF  .~ Comprising animal derived product {1}
950.~.~ Comprising feathers or down

DEFINITION

Classification: 5/950

Comprising feathers or down:

A collection of documents under art collection 949 disclosing the use of bird plumage.

(1) Note. The feathers or down, used by themselves or mixed with other materials, are chosen primarily for their good thermal insulating characteristics.