USD841454SActiveUtility

Helical drive

52
Assignee: UNIRAC INCPriority: Apr 25, 2016Filed: Oct 6, 2017Granted: Feb 26, 2019
Est. expiryApr 25, 2036(~9.8 yrs left)· nominal 20-yr term from priority
Inventors:Nathan SchuitJason Mayfield
52
PatentIndex Score
4
Cited by
61
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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