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Class Information
Number: 188/4R
Name: Brakes > Vehicle > Wheel and ground
Description:










Sub-classes under this class:

Class Number Class Name Patents
188/4B Rotary brake member 41


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8657078 Wheel chock Feb. 25, 2014
8590674 Chock system Nov. 26, 2013
8534427 Movable desk Sep. 17, 2013
8499897 Manual wheel chocks with enhanced bracing upon deployment Aug. 6, 2013
8499899 Over-center clamping wheel chocks Aug. 6, 2013
8307956 Wheel chock system Nov. 13, 2012
8286757 Wheel chock system Oct. 16, 2012
7891471 Brake system stabilizer assembly Feb. 22, 2011
7753177 Wheel chock assembly Jul. 13, 2010
7690659 Multi-directional roller disc Apr. 6, 2010
7537095 Chocking apparatus May. 26, 2009
7527128 Pinless wheel bumper block May. 5, 2009
7284641 Wheel locking system Oct. 23, 2007
7278520 Wheel locking device for vehicle Oct. 9, 2007
7213687 Emergency braking apparatus for vehicle May. 8, 2007
7165658 Emergency banking device Jan. 23, 2007
6978865 Safety chock Dec. 27, 2005
6957722 Vehicle chocking system Oct. 25, 2005
6948593 Wheel chock Sep. 27, 2005
6830134 Snow chain mechanism for a vehicle Dec. 14, 2004
6725979 Tire stop lock Apr. 27, 2004
6681901 Aircraft tire chock Jan. 27, 2004
6588551 Hydraulic actuating system Jul. 8, 2003
6481540 Cart brake release handle Nov. 19, 2002
6467586 Tire chock pair Oct. 22, 2002
6447009 Emergency vehicle braking system employing adhesive substances Sep. 10, 2002
6378956 Wheel chock assembly Apr. 30, 2002
6371253 Wheel blocking device Apr. 16, 2002
6290029 Compact adjustable wheel chock assembly for retainment of multi-size wheels Sep. 18, 2001
6227512 Removable block for immobilizing a vehicle wheel on a perforated carrying structure May. 8, 2001
6116621 Roller skate swing brake Sep. 12, 2000
6062348 Rapidly-deployable vehicle snow chain system having individually-replaceable interlocking chain attachment plates May. 16, 2000
5951049 Wheel chock for in-line skate Sep. 14, 1999
5944145 Vehicle positioning device Aug. 31, 1999
5927443 Wheel chock assembly Jul. 27, 1999
5913389 Wheel chock Jun. 22, 1999
5901816 Air cylinder-driven wheel chock May. 11, 1999
5873763 Cup on wheels Feb. 23, 1999
5839801 Variable tire pressure traction control enhancement Nov. 24, 1998
5836425 Non-skid wheel chock for in line roller blade skates Nov. 17, 1998
5803208 Safety accessory for vehicles Sep. 8, 1998
5609346 Toe activated braking system for inline roller skates Mar. 11, 1997
5601158 Wheel blocking system Feb. 11, 1997
5586621 Safety chocks for boat trailers and the like Dec. 24, 1996
5584491 Roller skate remote brake Dec. 17, 1996
5582441 Device for applying sand to roads for use in vehicles Dec. 10, 1996
5503433 Device for blocking wheels of roller skates Apr. 2, 1996
5497857 Emergency brake system for wheeled vehicles Mar. 12, 1996
5479794 Wheel lock device Jan. 2, 1996
5465814 Collapsible wheel chock apparatus Nov. 14, 1995

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