US PATENT SUBCLASS 52 / 732.2
.~.~.~ Having interlocking feature
Current as of:
June, 1999
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52 /
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STATIC STRUCTURES (E.G., BUILDINGS)
720.1
DF
SHAFT (I.E., ELONGATED RIGID STRUCTURE)
{15}
730.1
DF
.~ Longitudinally related striplike sections {5}
732.1
DF
.~.~ Forms hollow enclosure {2}
732.2
.~.~.~ Having interlocking feature
DEFINITION
Classification: 52/732.2
Having interlocking feature:
(under subclass 732.1) Subject matter wherein the elongated members which form the hollow shaft are constructed so as to interfit, thereby facilitating assembly or disassembly.