US PATENT SUBCLASS 48 / 189.6
.~.~ Includes element made of engaged strands or fibers, e.g., screen, fabric, etc.

Current as of: June, 1999
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48 /   HD   GAS: HEATING AND ILLUMINATING

180.1  DF  MIXERS {9}
189.4  DF  .~ Mixer in flow path of existing mixture {2}
189.6.~.~ Includes element made of engaged strands or fibers, e.g., screen, fabric, etc.

DEFINITION

Classification: 48/189.6

Includes element made of engaged strands or fibers, e.g., screen, fabric, etc.:

(under subclass 189.4) Apparatus which includes an element made of fibers or strands which cross and touch each other, including a single strand which loops and touches itself.

(1) Note. This subclass includes for example screen, woven or nonwoven fabric, a mass of steel wool, etc. The fibers or strands may or may not be attached together where they cross as by adhesive, etc.