US PATENT SUBCLASS 248 / 205.8
.~.~.~ Including vacuum maker or breaker

Current as of: June, 1999
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248 /   HD   SUPPORTS

200  DF  BRACKETS {11}
205.1  DF  .~ Specially mounted or attached {22}
205.5  DF  .~.~ By vacuum {6}
205.8.~.~.~ Including vacuum maker or breaker {1}
205.9  DF  .~.~.~.~> Including valve or port

DEFINITION

Classification: 248/205.8

Including vacuum maker or breaker:

(under subclass 205.5) Structure comprising means (1) for creating or enhancing the reduced pressure under the element, or (2) for equalizing the pressure beneath the element with that of the ambient.