USD498400SExpiredUtility

Drill

Assignee: CHEVRON INTERNAT TRADING CO LTPriority: Sep 10, 2003Filed: Mar 10, 2004Granted: Nov 16, 2004
Est. expirySep 10, 2023(expired)· nominal 20-yr term from priority
Inventors:Shuming Wu
80
PatentIndex Score
24
Cited by
22
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a drill, as shown.

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