.~ Openwork tray, basket, or grid structure for heat treating metal
DEFINITION
Classification: 432/261
(under subclass 253) Apparatus comprising a container or platform, having apertures or gaps, for supporting metal work to expose it to heating fluid or radiant heat.
SEE OR SEARCH CLASS
34, Drying and Gas or Vapor Contact With Solids,
237+, for a tray or floor for a drier, or for a gas or vapor and solid contact device.
220, Receptacles, appropriate subclass for a metallic receptacle disclosed as being of general utility or as having a use additional to the support of metal work in a high temperature furnace.
