(under subclass 173) Subject matter comprising means to ventilate a space used for safekeeping of food or supplies ready for use or consumption.
SEE OR SEARCH CLASS
34, Drying and Gas or Vapor Contact With Solids,
72, 76, and 84 for apparatus for treating a gas or vapor that contacts solids and includes forced circulation of the gas or vapor.
187, Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle,
401+, for particular elevator load support structure or
arrangement.
312, Supports: Cabinet Structure, 31.01+, for provision safes having liquid wetted means continuously exposed to a chamber and to an unconfined gas and subclass 213 for provision safes having a perforated exterior wall.
