|
The ornamental design for a secondary trailer brake locking unit, as shown and described. |
FIG. 1 is a front elevational view of the secondary trailer brake locking unit showing my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
Patent | Priority | Assignee | Title |
D418098, | Jan 23 1997 | DICO, INC | Enclosure for a trailer brake actuating unit |
D424998, | Apr 21 1998 | Robert Bosch Corporation | Combined relay-ATC valve |
D494838, | Feb 03 2003 | Truck dashboard-mounted air brake lock |
Patent | Priority | Assignee | Title |
2638118, | |||
4640391, | Jul 12 1982 | Akebono Brake Industry Company, Ltd. | Automatic stop valve device for vehicle brake systems |
4793661, | Aug 19 1986 | ALERT-O-BRAKE SYSTEMS INC | Tractor-trailer fluid pressure brake monitoring system |
4804237, | Apr 27 1987 | Mid-America Commercialization Corporation | Tractor-trailer brake control system |
4824178, | Aug 03 1985 | WABCO Westinghouse Fahrzeugbremsen GmbH | Fluid pressure responsive and electrically-controlled brake system |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |