US2013167408A1PendingUtilityA1

Sole for working boots

48
Assignee: WU RICHARD CHIA-YUPriority: Jan 2, 2012Filed: Sep 14, 2012Published: Jul 4, 2013
Est. expiryJan 2, 2032(~5.4 yrs left)· nominal 20-yr term from priority
Inventors:Richard Wu
A43B 21/025A43B 13/223A43B 7/32A43B 23/10
48
PatentIndex Score
0
Cited by
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References
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Claims

Abstract

A sole for working boots having a head portion and a heel portion includes a protection plate securely formed on the heel portion and having a curvature adapted to correspond to that of the heel portion.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A sole for working boots having a head portion and a heel portion, wherein the improvements comprise:
 a protection plate securely formed on the heel portion and having a curvature adapted to correspond to that of the heel portion.   
     
     
         2 . The sole as claimed in  claim 1 , wherein the protection plate is vertical to a bottom face of the sole. 
     
     
         3 . The sole as claimed in  claim 2 , wherein the protection plate is integrally formed with the heel portion. 
     
     
         4 . The sole as claimed in  claim 2  further comprising a slip-proof element formed on the bottom face of the sole. 
     
     
         5 . The sole as claimed in  claim 4 , wherein the slip-proof element includes multiple protrusions extending from the bottom face of the sole. 
     
     
         6 . The sole as claimed in  claim 4 , wherein the slip-proof element includes multiple concaves in the bottom face of the sole.

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