US PATENT SUBCLASS 49 / 124
EXTENSIBLE BAR SECTIONS

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

124EXTENSIBLE BAR SECTIONS

DEFINITION

Classification: 49/124

(under the class definition) Device comprising shaft sections connected together and relatively movable to increase the effective length thereof to close or open an opening as by telescoping, folding or contracting.