Electricity: measuring and testing – Of geophysical surface or subsurface in situ – For small object detection or location
Reexamination Certificate
2009-10-15
2010-11-09
Patidar, Jay M (Department: 2858)
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
For small object detection or location
Reexamination Certificate
active
07830149
ABSTRACT:
A transmitter for use with an underground utilities locator including a portable elongate housing; an electronic circuit mounted in the housing and configured to generate an electrical output signal at a frequency suitable for tracing an underground utility; a pair of springy helical coil type electrical cords each having an inner end connected to the circuit; means electrically connected to an outer end of each of the electrical cords for coupling the predetermined electrical output signal across the underground utility; and the housing having a pair of upwardly opening pockets formed on opposite ends of the elongate housing and each sized to permit the electrical cords to be wrapped into loops and stowed into corresponding ones of the pockets.
REFERENCES:
patent: 4195433 (1980-04-01), Engman
patent: 4947012 (1990-08-01), Minarovic
patent: 5029296 (1991-07-01), Shang-Wen
patent: 5231355 (1993-07-01), Rider et al.
patent: 5264795 (1993-11-01), Rider
patent: 5640058 (1997-06-01), Calvo
patent: 5644237 (1997-07-01), Eslambolchi et al.
patent: 5720627 (1998-02-01), Gillbrand et al.
patent: 6009754 (2000-01-01), Casas
patent: 6211807 (2001-04-01), Wilkison
patent: 6215888 (2001-04-01), Eslambolchi et al.
patent: 6388575 (2002-05-01), Galloway
patent: 6529006 (2003-03-01), Hayes
patent: 6731218 (2004-05-01), Luebke et al.
patent: 7151912 (2006-12-01), Morrison
patent: 2002/0135349 (2002-09-01), Steber et al.
patent: 2002/0175820 (2002-11-01), Oja et al.
Olsson Mark S.
Shaffer Dawn E.
Jester Michael H.
Patidar Jay M
Seektech, Inc.
LandOfFree
Underground utility locator with a transmitter, a pair of... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Underground utility locator with a transmitter, a pair of..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Underground utility locator with a transmitter, a pair of... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4206610