US PATENT SUBCLASS 74 / 3.5
.~ Retarded


Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

2  DF  AUTOMATIC OPERATION OR CONTROL (E.G., TRIPS) {3}
3.5.~ Retarded {2}
3.52  DF  .~.~> Plural, sequential, trip actuations
3.54  DF  .~.~> Clock train {1}


DEFINITION

Classification: 74/3.5

(under subclass 2) Mechanisms preset to cause the releasing or tripping at a particular time of day or at the termination of a particular time interval following the setting.

SEE OR SEARCH CLASS

119, Animal Husbandry,

51.14+, for feeding devices including timer controlled trips.

137, Fluid Handling,

624.19, and 624.22 for valves including timer controlled trips.

185, Motors: Spring, Weight, or Animal Powered, 27+, for a retarded trip releasing a weight motor and subclasses 37+ for a retarded trip releasing a spring motor.

200, Electricity: Circuit Makers and Breakers,

39+, for an electrical circuit switch controlled by a retarded latch trip.

368, Horology: Time Measuring Systems or Devices,

243+, for an horological device controlling the tripping of a sounding device, and in the definition of subclass 152 see the "Note"