Flexible kink-resistant hoses

Pipes and tubular conduits – Plural duct – Coaxial

Reexamination Certificate

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Details

C138S121000, C138SDIG011

Reexamination Certificate

active

07322379

ABSTRACT:
A flexible kink-resistant hose configuration includes concentric tubes with longitudinal ribs.

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patent: 5682925 (1997-11-01), Seckel

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