US PATENT SUBCLASS 401 / 157
.~.~.~ Wall deformed by gas pressure

Current as of: June, 1999
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401 /   HD   COATING IMPLEMENTS WITH MATERIAL SUPPLY

143  DF  INCLUDING MEANS TO APPLY MATERIAL-MOVING FORCE {10}
152  DF  .~ Including means to collapse flexible wall {4}
156  DF  .~.~ Resilient wall or wall portion {3}
157.~.~.~ Wall deformed by gas pressure

DEFINITION

Classification: 401/157

(under subclass 156) Implement including means to force gas (e.g., air) under pressure against the outer surface of said wall of collapse said wall.

SEE OR SEARCH THIS CLASS, SUBCLASS:

145, for an implement in which the wall-collapsing means acts on a diaphragm within an otherwise rigid-wall reservoir.