USD540135SExpiredUtility
Portable electric hammer drill
Est. expiryJan 18, 2026(expired)· nominal 20-yr term from priority
Inventors:Shinsuke Okuda
78
PatentIndex Score
20
Cited by
18
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for the portable electric hammer drill, as shown and described.Join the waitlist — get patent alerts
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