USD316020SExpiredUtility

Portable electric hammer drill

94
Assignee: MAKITA ELECTRIC WORKS LTDPriority: Dec 22, 1987Filed: May 12, 1988Granted: Apr 9, 1991
Est. expiryDec 22, 2007(expired)· nominal 20-yr term from priority
Inventors:Fusao FushiyaTakashi YamazakiMikio Saito
94
PatentIndex Score
40
Cited by
5
References
1
Claims

Claims

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

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