US PATENT SUBCLASS 249 / 142
.~ And an inner removable core to form recess or opening

Current as of: June, 1999
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249 /   HD   STATIC MOLDS

117  DF  CONTAINER-TYPE MOLDING DEVICE {14}
142.~ And an inner removable core to form recess or opening {2}
143  DF  .~.~> Fence post
144  DF  .~.~> Having inner and outer shells forming conduit-type product, receptacle-type product, or module {5}

DEFINITION

Classification: 249/142

(under subclass 117) Apparatus having a core located within the confines of mold cavity and capable of being separated therefrom.

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124, for plural article forming molding apparatus having a core removably connected to a mold surface.

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425, Plastic Article or Earthenware Shaping or Treating: Apparatus,

414, for a press shaping couple in a molding machine having means to insert or remove a core.