(under the class definition) Dispenser having means to limit either the period of discharge, or the period between the occurrence of a predetermined event and the beginning of a subsequent discharge period.
SEE OR SEARCH CLASS
62, Refrigeration,
231+, for timer actuation of a refrigeration device.
137, Fluid Handling,
132+, for periodic discharging siphons, and subclasses 623.11+ for a fluid distribution system including a programmer, or timer (no supply container being claimed).
200, Electricity: Circuit Makers and Breakers, 19.01+, and 33+ for periodic and retarded switches, respectively.
210, Liquid Purification or Separation,
138+, for timer controlled liquid treatment, and subclasses 141+ for programmer controlled liquid treatment.
221, Article Dispensing,
15+, for article dispensing devices having a timing, or delay mechanism.
239, Fluid Sprinkling, Spraying, and Diffusing,
66, for serially operated means distributing fluid to a diffuser, and subclasses 67+ for selectively preset means serving to cut off flow to a diffuser.
251, Valves and Valve Actuation,
15+, for valves having a compulsory cutoff after a nonautomatic opening; subclasses 25+ for fluid servomotor operation of valves; subclasses 48+ for dashpot, or fluid controlled retarders, or timers for valve actuators; and subclass 64 for nonfluid retarders in valve actuation.
368, Horology: Time Measuring Systems or Devices, appropriate subclasses, for a timer, per se.
431, Combustion,
18+, for a burner assembly having a timer, programmer, or condition responsive control.
