Security barrier

Road structure – process – or apparatus – Traffic steering device or barrier

Reexamination Certificate

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Details

Other Related Categories

C049S049000

Type

Reexamination Certificate

Status

active

Patent number

10874787

Description

ABSTRACT:
A barrier for stopping the progress of vehicles, comprising a pivoted barrier adapted to pivot about a non-vertical axis from a first position generally alongside a carriageway to a position where it at least partially blocks the carriageway, and adapted to move between the positions under the influence of gravity.

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patent: 6996935 (2006-02-01), Decker et al.
patent: 2002/0139904 (2002-10-01), Lowell
patent: 2005/0150612 (2005-07-01), Cook
patent: 1 002 751 (1991-05-01), None
patent: 7 406 696 (1974-05-01), None
patent: 2451743 (1976-05-01), None
patent: 537095 (1993-04-01), None
English Summary of BE 1 002 751 A6, published May 28, 1991, listed above.
English Summary of DE 7 406 696, published May 30, 1974, listed above.
European Search Report dated Oct. 25, 2004 for 04253732.4, in the name of Kevin Behan, et al.

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