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Helical drive

84
Assignee: UNIRAC INCPriority: Apr 25, 2016Filed: Jul 18, 2016Granted: Nov 21, 2017
Est. expiryApr 25, 2036(~9.8 yrs left)· nominal 20-yr term from priority
Inventors:Nathan SchuitJason Mayfield
84
PatentIndex Score
21
Cited by
58
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a helical drive, as shown and described.

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