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Class Information
Number: 623/28
Name: Prosthesis (i.e., artificial body members), parts thereof, or aids and accessories therefor > Leg > Extension
Description: Subject matter attached to some part of a leg and supporting a natural foot, thereby increasing the length of a leg.










Sub-classes under this class:

Class Number Class Name Patents
623/29 Foot covering or support 10


Patents under this class:

Patent Number Title Of Patent Date Issued
8674838 Walking assist device Mar. 18, 2014
8453663 Crutch equipped with restraining safety means Jun. 4, 2013
8337369 Adjustable quick-release ratcheting binding system for adjustable leg extensions Dec. 25, 2012
8257090 Residual limb model Sep. 4, 2012
7981003 Rear brace articulating stilt Jul. 19, 2011
7981008 Stilt system Jul. 19, 2011
7946966 Leg extensions May. 24, 2011
7771326 Economical stilts Aug. 10, 2010
7600524 Mono-Crutch for lower leg disability Oct. 13, 2009
7416538 Walking assistance device Aug. 26, 2008
7374514 Economical foam stilts May. 20, 2008
7288116 Hucklebone supporting-type artificial leg Oct. 30, 2007
7108640 Stilt device with improved leg attachment assembly Sep. 19, 2006
6932096 Modified crutch with three mode lower leg/foot support Aug. 23, 2005
6648803 Stilts Nov. 18, 2003
6517586 Support apparatus Feb. 11, 2003
6101630 Adjustable brassiere with fluid bags Aug. 15, 2000
5976190 Orthopaedic connection Nov. 2, 1999
5941263 Leg support crutch Aug. 24, 1999
5941912 Prosthetic joint connector assembly Aug. 24, 1999
5593373 Economical foot connected stilt assembly Jan. 14, 1997
5498220 Toe-articulated stilt Mar. 12, 1996
5300016 Lower leg shelf with foldable weight-bearing strut and stabilizer frame Apr. 5, 1994
5178595 Walking device to assist those with an injury to a lower limb Jan. 12, 1993
5011136 Energy-efficient running brace Apr. 30, 1991
4735754 Method for fabricating artificial body parts Apr. 5, 1988
4608054 Adjustable connection for connecting adjoining parts of an artificial limb Aug. 26, 1986
4569516 Adjustable leg for stilts and the like Feb. 11, 1986
4520804 Double-locking ratchet for orthopedic brace Jun. 4, 1985
4473421 Procedure for manufacture of a prosthesis Sep. 25, 1984
4463459 Endo-skeletal artificial limb Aug. 7, 1984
4449256 Leg extension jumpers May. 22, 1984
4415063 Stilt device Nov. 15, 1983
4255822 Shoe holder adapters for stiff platform Mar. 17, 1981
4058119 Walking device Nov. 15, 1977
3986502 Ambulation assistance device Oct. 19, 1976











 
 
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