|
The ornamental design for a portable cordless hammer, as shown. |
FIG. 1 is a top, front and right side perspective view of a portable cordless hammer showing our new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a bottom plan view thereof.
Sasaki, Yuichiro, Yoshimizu, Chikai
Patent | Priority | Assignee | Title |
3602318, | |||
3837409, | |||
3998278, | May 14 1974 | Licentia Patent-Verwaltungs-G.m.b.H. | Hammer drill |
4442906, | Nov 17 1981 | Black & Decker Inc. | Percussive drills |
4750567, | Aug 08 1984 | Black & Decker Inc. | Rotary hammer driving mechanism |
4763733, | Oct 26 1985 | Hilti Aktiengesellschaft | Hammer drill with rotational lock |
4930583, | Feb 17 1988 | Makita Electric Works, Ltd. | Portable battery-powered tool |
D243742, | Aug 19 1975 | The Black and Decker Manufacturing Company | Cordless tool |
D323961, | Feb 07 1989 | Makita Electric Works, Ltd. | Portable electric drill |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Oct 16 1990 | SASAKI, YUICHIRO | HITACHI KOKI COMPANY LIMITED, | ASSIGNMENT OF ASSIGNORS INTEREST | 005520 | /0985 | |
Oct 16 1990 | YOSHIMIZU, CHIKAI | HITACHI KOKI COMPANY LIMITED, | ASSIGNMENT OF ASSIGNORS INTEREST | 005520 | /0985 | |
Oct 19 1990 | Hitachi Koki Company, Limited | (assignment on the face of the patent) | / |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |