IP Library › Granted Patent US 503,078
Granted Patent S1
US 503,078 · App. 29/175,170 · Granted Mar 22, 2005

Portable electric hammer drill

Assignee: Hitachi Koki Co., Ltd.
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Quick Facts
Patent No.
US 503,078
App. No.
29/175,170
Granted
Mar 22, 2005
Kind
S1
Claims (1)

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

Assignments (3)
CHANGE OF NAME Recorded Jul 26, 2018
From: HITACHI KOKI KABUSHIKI KAISHA
To: KOKI HOLDINGS CO., LTD.
Reel/Frame 047270/0107 →
RECORD TO CORRECT ASSIGNMENT RECORDED ON JANUARY 31, 2003 AT REEL 013724 FRAME 0901. Recorded Sep 5, 2003
From: SAKAI, MASATO; KODATO, SEIICHI; HAGA, HIROSHI; YAMAZAKI, SHINGO
To: HITACHI KOKI CO., LTD.
Reel/Frame 014467/0006 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 31, 2003
From: SAKAI, MASATO; KODATO, SEIICHI; HAGA, HIROSHI; YAMAZAKI, SHINGO
To: HITACHI KOKI CO., LTD.
Reel/Frame 013724/0901 →
Priority Claims (2)
JP 2002-020801 · Aug 5, 2002 · national
JP 2002-020804 · Aug 5, 2002 · national