US PATENT SUBCLASS 5 / 139
.~.~.~ Single struts


Current as of: June, 1999
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5 /   HD   BEDS

131  DF  BEDSTEADS {6}
133  DF  .~ Upending {18}
137  DF  .~.~ Shifting fulcrum {7}
139.~.~.~ Single struts


DEFINITION

Classification: 5/139

(under subclass 137) Devices pivoted on the upper end of a pivoted strut and having a degree of freedom requiring manual guidance to vertical position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

138, for single struts having a rocker or cogged base.