Portable electric chisel
United States Patent D563749
US Patent References:
Hand tool with a shifting gear unit
Manschitz - March, 1991 - 4998588

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

Switch-locking mechanism for screw tightener
Fujiyama - August, 1997 - 5653296

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

Hammer drill
Stirm - December, 2002 - D466780


Inventors:
Okuda, Shinsuke (Anjo, JP)
Iio, Takayoshi (Anjo, JP)
Application Number:
D/273419
Publication Date:
03/11/2008
Filing Date:
03/06/2007
View Patent Images:
Assignee:
Makita Corporation (Anjo, JP)
Primary Class:
International Classes:
(IPC1-7): 0805
Field of Search:
81/454-456, D8/14.1, D8/61-70, 227/130, 173/104, 227/113, 81/489, 451/358, 408/20, 173/13, 81/429, 408/124, 173/211, 227/142, 408/125, 227/120, 81/469, 173/217, 173/114, 227/8, 173/178, 310/50, 81/57.11, 173/201, 227/136, 173/213, 173/168-171, 408/241R, 227/114, 408/234
US Patent References:
6776245Electrical hand-held power tool with an electropneumatic percussion mechanismAugust, 2004Kristen et al.173/171
6938705Striking toolSeptember, 2005Kikuchi173/201
D524626HammerJuly, 2006StirmD8/69
D525849Portable electric hammer drillAugust, 2006Hayakawa et al.
D526179Portable electric hammer drillAugust, 2006Hayakawa et al.D8/69
D528393Cordless hammerSeptember, 2006StirmD8/69
D540642HammerApril, 2007StirmD8/69
20040112615Electrical, rotary-percussion hand-held toolJune, 2004Mayr et al.173/217
20040211575Motor mounting and sealing arrangement for a power toolOctober, 2004Soika et al.173/217
20050087353Vibration isolating handleApril, 2005Oki et al.173/170
20060060365Hammer drillMarch, 2006Kunz173/170
20060144603Power tool housingJuly, 2006Arich et al.173/114
Foreign References:
JPS1238857May, 2005
Primary Examiner:
Nelson, Chase T.
Attorney, Agent or Firm:
Oliff & Berridge, PLC
Claims:
CLAIM

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

Description:

FIG. 1 is a perspective view of a portable electric chisel;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

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

FIG. 7 is a bottom plan view thereof.