Communications: electrical – Land vehicle alarms or indicators – For trailer
Reexamination Certificate
2005-11-30
2008-03-18
Hofsass, Jeffery (Department: 2612)
Communications: electrical
Land vehicle alarms or indicators
For trailer
C324S504000
Reexamination Certificate
active
07345579
ABSTRACT:
A trailer illumination system test device and method of use are disclosed. In one form, a device for testing the functionality of a trailer lighting system is disclosed. The device includes an in-series connection port operable to receive a trailer lighting system plug and a series of trailer light switches operable to simulate an operating condition of a trailer in tow. The device further includes an external power source connection operable to couple an external power source to provide power to simulate the operating condition.
REFERENCES:
patent: 3753088 (1973-08-01), Ettelman
patent: 3800214 (1974-03-01), O'Flynn
patent: 3816827 (1974-06-01), Lynn, Jr.
patent: 4547722 (1985-10-01), Sarlo
patent: 6218952 (2001-04-01), Borland et al.
patent: 6535113 (2003-03-01), Gravolin
Morphew Douglas B.
Nelson Carl A.
Galasso Raymond M.
Galasso & Associates LP
Hofsass Jeffery
Tang Sigmund
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