IP Library › Granted Patent US 526,873
Granted Patent S1
US 526,873 · App. 29/233,527 · Granted Aug 22, 2006

Portable electric hammer drill

Assignee: Hitachi Koki Co., Ltd.
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Quick Facts
Patent No.
US 526,873
App. No.
29/233,527
Granted
Aug 22, 2006
Kind
S1
Claims (1)

The ornamental design for a portable electric hammer drill, as shown.

Assignments (2)
CHANGE OF NAME Recorded Jul 26, 2018
From: HITACHI KOKI KABUSHIKI KAISHA
To: KOKI HOLDINGS CO., LTD.
Reel/Frame 047270/0107 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 7, 2005
From: TSUZUKI, HITOSHI; SAKAI, MASATO; OKADA, MASANORI; TANIGUCHI, TAKESHI; OOKUBO, TAKAHIRO
To: HITACHI KOKI CO., LTD.
Reel/Frame 016771/0558 →
Priority Claims (1)
JP 2005-000384 · Jan 7, 2005 · national