US PATENT SUBCLASS 399 / 102
.~.~ Seal

Current as of: June, 1999
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399 /   HD   ELECTROPHOTOGRAPHY

91  DF  INTERNAL MACHINE ENVIRONMENT {4}
98  DF  .~ Particle or contaminant control {2}
102.~.~ Seal {1}
103  DF  .~.~.~> Developer seal {3}

DEFINITION

Classification: 399/102

Seal:

(under subclass 98) Subject matter wherein an arrangement is provided that prevents the escape of toner or developer material from an internal unit.