US PATENT SUBCLASS 49 / 29
TIME CONTROLLED

Current as of: June, 1999
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49 /   HD   MOVABLE OR REMOVABLE CLOSURES

29TIME CONTROLLED {1}
30  DF  .~> Predetermined delay governs start of closure movement

DEFINITION

Classification: 49/29

(under the class definition) Device provided with a means for measuring or determining a time interval or lag, and which imparts to or permits movement of the closure after a predetermined interval or at a specified time.

SEE OR SEARCH CLASS

74, Machine Element or Mechanism,

3.5+, for a trip releasable at a particular time or after a predetermined interval.