Road structure – process – or apparatus – Traffic steering device or barrier
Reexamination Certificate
2006-02-14
2006-02-14
Hartmann, Gary S. (Department: 3671)
Road structure, process, or apparatus
Traffic steering device or barrier
C404S009000, C049S049000, C049S131000
Reexamination Certificate
active
06997638
ABSTRACT:
A road block having an extensible bollard that is manually or electronically actuated by a powerful spring force for slow extension, and by both the spring and a power lift for rapid extension.
REFERENCES:
patent: 3086430 (1963-04-01), Emmel
patent: 4320380 (1982-03-01), Berard et al.
patent: 4576508 (1986-03-01), Dickinson
patent: 4666331 (1987-05-01), Riley
patent: 4715742 (1987-12-01), Dickinson
patent: RE33201 (1990-04-01), Dickinson
patent: 4919563 (1990-04-01), Stice
patent: 5462384 (1995-10-01), Arlandis
patent: 5476338 (1995-12-01), Alberts
patent: 5509753 (1996-04-01), Thompson
patent: 5560733 (1996-10-01), Dickinson
patent: 5975792 (1999-11-01), Goeken et al.
patent: 6099200 (2000-08-01), Pepe et al.
patent: 6161821 (2000-12-01), Leno et al.
patent: 6312188 (2001-11-01), Ousterhout et al.
Hensley Clifford J.
Herrin Robert C.
Sims Robert L.
Stice David L.
Hartmann Gary S.
Haynes and Boone LLP
Perimeter Defense Technologies LPO
LandOfFree
Anti-terrorist road block does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Anti-terrorist road block, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Anti-terrorist road block will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3697074