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2620485
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Information
Patent Grant
2620485
References
Source
Patent Number
2,620,485
Date Filed
Not available
Date Issued
Tuesday, December 9, 1952
72 years ago
CPC
A61F2/6607 - Ankle joints
A61F2002/30438 - using nuts
A61F2002/30443 - using washers
A61F2002/5007 - having elastic means different from springs
A61F2002/5098 - with rotation-limiting means
A61F2002/607 - Lower legs
A61F2002/6614 - Feet
A61F2220/0041 - using additional screws, bolts, dowels or rivets
Y10T403/32565 - Ball and socket with restricted movement about one axis
US Classifications
623 - Prosthesis
403 - Joints and connections
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