Ordnance – Shields
Reexamination Certificate
2005-08-23
2005-08-23
Eldred, J. Woodrow (Department: 3644)
Ordnance
Shields
C089S036070, C109S049500
Reexamination Certificate
active
06931977
ABSTRACT:
A protective device for a field apparatus includes first and second lateral plates, each plate having a top end and a bottom end. The first and second lateral plates are opposingly situated to mutually support each other in an A-shaped structure. In this A-shaped structure, the top ends are coupled together by at least one coupling device substantially at the apex of the “A”, and the bottom ends are coupled together by a fastening assembly. The bottom fastening assembly acts to restrain the rending of the A-shaped structure by a force generated from debris striking the first or second lateral plate. Each lateral plate also has a handle positioned in proximity to the top end. When a user grabs both handles, the A-shaped structure collapses for storage. The protective device further includes a transmission line and a device for transmitting and receiving radio waves to an electromagnetic field apparatus.
REFERENCES:
patent: 626402 (1899-06-01), Zinn
patent: 1273371 (1918-07-01), Hudziak
patent: 2109831 (1938-03-01), Szalkay
patent: 2370596 (1945-02-01), Wallace
patent: 4626294 (1986-12-01), Sanders, Jr.
patent: 5293807 (1994-03-01), Hajdu
Christensen O'Connor Johnson & Kindness PLLC
Eldred J. Woodrow
Rothenbuhler Engineering Company
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