US PATENT SUBCLASS 141 / 51
.~ Gas condition control in housing for receiver

Current as of: June, 1999
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141 /   HD   FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS

37  DF  DIVERSE FLUID CONTAINING PRESSURE FILLING SYSTEMS INVOLVING RECEIVER GAS CONTENT MODIFICATION {11}
51.~ Gas condition control in housing for receiver

DEFINITION

Classification: 141/51

(under subclass 37) Apparatus in which a pressure tight housing is provided for the receiver and means is provided to control the gas condition within said housing.

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390, for miscellaneous external forms or protectors for receivers, and see the search notes thereto.

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53, Package Making,

86+, for package making apparatus having gas filling and/or evacuating of the package within an enclosure.