PTO Wrapper PDF
Dossier Espace Google
Patent
   D515950
Priority
Apr 05 2004
Filed
Apr 05 2004
Issued
Feb 28 2006
Expiry
Feb 28 2020
Inventors
Kingsley, …
Assg.orig
Assg.curr
Entity
unknown
Referenced by
3
References
7
Maint.:
n/a
The ornamental design for a trailer hitch monitoring system, as shown and described.

FIG. 1 is a front elevational view of a trailer hitch monitoring system showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view thereof; and,

FIG. 4 is a top plan view thereof.
INVENTORS:

Kingsley, Jim A., Sorensen, Diane M.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D540280, Jun 02 2005 Samsung Electronics Co., Ltd. Wall hanging monitor
D676442, Aug 24 2011 Sanjay, Krishnan Electronic reader
ER444,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
6100795, Mar 12 1999 Trailer hitch alignment system
6285278, Jan 28 2000 SW PELHAM FUND, L P ; SW PELHAM FUND II, L P Electronic system for monitoring a fifth wheel hitch
6480104, Apr 23 2001 STARDOM, LLC Trailer alignment method and apparatus
6568700, Aug 22 1997 Jerry L., Losee Line backer
6587041, Apr 20 2000 WABASH NATIONAL, L P Semi-tractor fifth wheel sensor and rail car stanchion sensor for a trailer
D419092, May 06 1999 Trailer hitch alignment monitor
D422575, Nov 16 1998 NOVUS DISPLAYS LLC Liquid crystal display with disk drive
ASSIGNMENT RECORDS    Assignment records on the USPTO
Executed onAssignorAssigneeConveyanceFrameReelDoc
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule