US PATENT SUBCLASS 55 / 527
.~ Fibrous or strand form


Current as of: June, 1999
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55 /   HD   GAS SEPARATION

522  DF  SPECIFIC MEDIA MATERIAL {4}
527.~ Fibrous or strand form {1}
528  DF  .~.~> Organic (e.g., vegetable)


DEFINITION

Classification: 55/527

(under subclass 522) Apparatus in which the media is threaded like or of comparatively extensive length as contrasted with its diameter.

SEE OR SEARCH THIS CLASS, SUBCLASS:

520, for a continuous strand which is wound or coiled on itself or in spaced relation so as to form at least one spiral convolution.

SEE OR SEARCH CLASS

428, Stock Material or Miscellaneous Articles, appropriate subclasses for a stock material product embodying a fiber layer,

292.1+, for a fiber-containing web or sheet, and subclasses 357+ for a mass of fibers or filaments which are coated or structurally defined.