Rotating barrier

Movable or removable closures – Impact absorbing flexible barricade

Reexamination Certificate

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Details

C049S034000, C049S042000

Reexamination Certificate

active

08001724

ABSTRACT:
A rotating barrier having a rotating arm assembly has at least one blocking arm which is formed at least over part of its length by a resiliently flexible core piece and is provided with an outer sheath.

REFERENCES:
patent: 1231763 (1917-07-01), Loprete
patent: 1628651 (1927-05-01), Burress
patent: 1939968 (1933-12-01), Frei, Jr.
patent: 3478714 (1969-11-01), Keats
patent: 3731929 (1973-05-01), Landry
patent: 4636109 (1987-01-01), Clausen et al.
patent: 5293716 (1994-03-01), Rothschild
patent: 6370821 (2002-04-01), McCord et al.
patent: 2006/0086516 (2006-04-01), Saito
patent: 2007/0001002 (2007-01-01), Ponert et al.

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