Retractable barbed barrier system

Details Retractable barbed barrier system Retractable barbed barrier system

2006-05-16

2006-05-16

Stodola, Daniel P. (Department: 3679)

Fences

Barbed

Fabrics

C256S002000, C256S033000, C256S045000, C049S050000, C049S056000, C160S104000

Reexamination Certificate

active

07044447

ABSTRACT:
A barrier system utilizing cutters that have been connected into strips, with the strips connected to form a substantially planar barrier sheet. The barrier sheet may be encased by breakable separators, which cover the cutters to prevent inadvertent injury but expose the cutters when broken upon an attempt to penetrate the barrier. The barrier may be retracted into an opening, preferably into a concealed compartment.

REFERENCES:
patent: 1920416 (1933-08-01), Melaun
patent: 2990880 (1961-07-01), Catalano et al.
patent: 3845804 (1974-11-01), Romberg
patent: 4484729 (1984-11-01), Mainiero et al.
patent: 4666129 (1987-05-01), Dobson
patent: 4887796 (1989-12-01), Cano et al.
patent: 5437134 (1995-08-01), Donnelly
patent: 5787642 (1998-08-01), Coyle et al.
Detainer Hook Barb, American Security Fence catalog, date unknown.

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