U.S. patent number D341,533 [Application Number 07/862,257] was granted by the patent office on 1993-11-23 for portable electric hammer drill.
This patent grant is currently assigned to Ryobi Ltd.. Invention is credited to Nobuhiko Karafuji, Masakazu Sakamoto.
United States Patent |
D341,533 |
Karafuji , et al. |
November 23, 1993 |
Portable electric hammer drill
Claims
The ornamental design for a portable electric hammer drill, as
shown.
Inventors: |
Karafuji; Nobuhiko (Tokyo,
JP), Sakamoto; Masakazu (Tokyo, JP) |
Assignee: |
Ryobi Ltd. (Hiroshima,
JP)
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Appl.
No.: |
07/862,257 |
Filed: |
April 2, 1992 |
Foreign Application Priority Data
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Oct 30, 1991 [JP] |
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3-33113 |
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Current U.S.
Class: |
D8/69 |
Field of
Search: |
;D8/61,68,69
;81/57.11,57.13 ;173/90-93.7,170,48 ;408/124,125 |
References Cited
[Referenced By]
U.S. Patent Documents
Foreign Patent Documents
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420927 |
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Apr 1976 |
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JP |
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562326 |
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Oct 1981 |
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JP |
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56559 |
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Dec 1981 |
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JP |
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Primary Examiner: Douglas; Alan P.
Assistant Examiner: Musgrove; J. H.
Attorney, Agent or Firm: Sughrue, Mion, Zinn, Macpeak &
Seas
Description
FIG. 1 is a top, rear and left side perspective view of a portable
electric hammer drill showing our new design;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a front elevational view thereof; and,
FIG. 7 is a rear elevational view thereof.
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