US PATENT SUBCLASS 62 / 151
.~.~ Defrosting

Current as of: June, 1999
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62 /   HD   REFRIGERATION

132  DF  AUTOMATIC CONTROL {19}
150  DF  .~ Preventing, removing or handling atmospheric condensate {1}
151.~.~ Defrosting {5}
152  DF  .~.~.~> Limited area, e.g., preferred zone
153  DF  .~.~.~> By storage compartment closure actuated means
154  DF  .~.~.~> By energy input actuated means
155  DF  .~.~.~> Including time or program actuator
156  DF  .~.~.~> By temperature

DEFINITION

Classification: 62/151

(under subclass 150) Apparatus which relates to removal of frozen atmospheric condensate.

SEE OR SEARCH THIS CLASS, SUBCLASS:

140, for condition sensing control measuring frost accumulation.

162, for a control which resumes its function after manual initiation, e.g., manual initiation of defrosting means then the sensing control causes the refrigeration producer to resume operation.

234, for time or program actuated defrosting means.