Portable electric hammer drill
United States Patent D525849
US Patent References:
Portable power driven tool
Holloway - September, 1931 - 1821436

Portable electric driver
Hattori - January, 1997 - D377591

Portable electric hammer drill
Matsunaga et al. - June, 1997 - D380132

Portable electric hammer
Kasuya - November, 1997 - D386379

Portable electric hammer
Arakawa et al. - June, 1998 - D395586


Representative Image:
Inventors:
Hayakawa, Naohiro (c/o Makita Corporation of 11-8, Sumiyoshi-cho 3-chome, Anjo-shi, Aichi-ken, JP)
Shinma, Yasutoshi (c/o Makita Corporation of 11-8, Sumiyoshi-cho 3-chome, Anjo-shi, Aichi-ken, JP)
Iwakami, Junichi (c/o Makita Corporation of 11-8, Sumiyoshi-cho 3-chome, Anjo-shi, Aichi-ken, JP)
Application Number:
D/228481
Publication Date:
08/01/2006
Filing Date:
04/25/2005
View Patent Images:
Primary Class:
International Classes:
(IPC1-7): 0801
Field of Search:
D8/14.1, D8/65, 227/130, D8/66, 81/489, 451/358, D8/62, D8/63, 81/466, 408/20, 408/124, 81/429, D8/68, 173/13, D8/61, 227/142, 408/125, D8/69, 227/120, 81/469, 173/217, 81/464, 227/8, 173/178, 310/50, 81/57.11, D8/70, D8/67, 227/136, 173/213, 408/241R, 227/114, 408/234, D8/64, 81/465, 173/169
US Patent References:
D466780Hammer drillDecember, 2002StirmD8/69
D474092Compact hammerMay, 2003StirmD8/69
D503078Portable electric hammer drillMarch, 2005Sakai et al.D8/69
6923271Hand power toolAugust, 2005Frauhammer et al.173/178
D509120Electric wrenchSeptember, 2005Okuda et al.D8/69
20020021947Dust-proof element and a method of its use in an electrical hand-held tool and with a working toolFebruary, 2002Hofmann et al.408/241R
20050034883Electric power toolFebruary, 2005Yamada et al.173/217
20050205277Power toolSeptember, 2005Wu173/217
Foreign References:
GB2077130February, 1998
GB2088161November, 1999
GB3001470February, 2002
GB3009340December, 2002
GB3011902March, 2003
Other References:
U.S. Appl. No. 29/228,479, filed Apr. 25, 2005, Hayakawa et al.
Primary Examiner:
Watson, Gary D.
Assistant Examiner:
Nelson, Chase T.
Claims:
CLAIM

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

Description:

FIG. 1 is a perspective view of a portable electric hammer drill showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.