USD927558SActiveUtility

Boring machine with casing driver

90
Assignee: YAMAMOTO FOUND WORKS CO LTDPriority: Mar 5, 2019Filed: Aug 23, 2019Granted: Aug 10, 2021
Est. expiryMar 5, 2039(~12.6 yrs left)· nominal 20-yr term from priority
Inventors:Takekazu Yamamoto
E21B 44/00
90
PatentIndex Score
7
Cited by
37
References
1
Claims

Claims

exact text as granted — not AI-modified
CLAIM 
     
       The ornamental design for a boring machine with casing driver, as shown and described.

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