USD520838SExpiredUtility

Portable electric hammer drill

42
Assignee: HITACHI KOKI KKPriority: Nov 30, 2004Filed: May 27, 2005Granted: May 16, 2006
Est. expiryNov 30, 2024(expired)· nominal 20-yr term from priority
Inventors:Masanori OkadaMasato SakaiYoshitaka SuzukiTakeshi TaniguchiHiroshi HagaKazuhiro Suzuki
42
PatentIndex Score
4
Cited by
20
References
1
Claims

Claims

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

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