Communications: electrical – Selective – Interrogation response
Reexamination Certificate
2007-07-31
2007-07-31
Zimmerman, Brian (Department: 2612)
Communications: electrical
Selective
Interrogation response
C340S568600, C340S540000, C340S515000, C340S517000, C340S524000, C340S426250, C482S008000, C482S004000, C482S005000
Reexamination Certificate
active
10624702
ABSTRACT:
The concept herein is focused on a portable structure, generally in the form of a portable mat or other similar member, that can be moved or transported from place to place to be used in a temporary manner and placed on the ground for use in the process of facilitating the implementation of field exercise tests of individuals who are suspected of criminal or other activity such as driving under the influence of alcohol, such mat comprising in general a flat flexible mat-like member that can be placed flush against the ground for temporary use, such mat having an upper surface with demarcations thereon for guiding a person walking over the upper surface of the mat.
REFERENCES:
patent: 3641601 (1972-02-01), Sieg
patent: 3894437 (1975-07-01), Hagy et al.
patent: 4522861 (1985-06-01), Dunsworth
patent: 5144847 (1992-09-01), Furtmayer
patent: 5186062 (1993-02-01), Roost
patent: 6110073 (2000-08-01), Saur et al.
patent: 6378540 (2002-04-01), Iwasa
Brown Vernal
Zimmerman Brian
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