US PATENT SUBCLASS 433 / 184
.~.~ By suction

Current as of: June, 1999
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433 /   HD   DENTISTRY

167  DF  PROSTHODONTICS {13}
172  DF  .~ Holding or positioning denture in mouth {5}
184.~.~ By suction {3}
185  DF  .~.~.~> Including valve or air passageway leading from suction area
186  DF  .~.~.~> Cup or disc {1}
188  DF  .~.~.~> Suction area comprising recess or cavity formed in denture base

DEFINITION

Classification: 433/184

By suction:

(under subclass 172) Subject matter wherein the denture is provided with means engaging a natural surface inside the mouth to form a chamber therewith, which chamber is placed under subatmospheric pressure to secure the denture in the mouth.

SEE OR SEARCH CLASS

24, Buckles, Buttons, Clasps, etc.,

305+, for vacuum-type fasteners.