|
The ornamental design for a portable electric hammer drill, as shown.
|
FIG. 1 is a perspective view of the top, front and left side 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 top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a right side elevational view thereof.
Sakai, Masato, Tsuzuki, Hitoshi, Ookubo, Takahiro, Taniguchi, Takeshi, Okada, Masanori
Patent | Priority | Assignee | Title |
D538619, | Jan 17 2006 | Makita Corporation | Portable electric hammer drill |
D607294, | Oct 16 2008 | Makita Corporation | Portable electric hammer drill |
D614469, | Jul 22 2008 | Black & Decker Inc | Hammer |
D687280, | May 25 2011 | Robert Bosch GmbH | Hammer drill |
D799929, | Feb 22 2016 | KOKI HOLDINGS CO , LTD | Portable electric hammer drill |
D853815, | Nov 06 2017 | INGERSOLL-RAND INDUSTRIAL U S , INC | D-handle impact tool |
D894706, | Sep 05 2018 | Robert Bosch GmbH | Rotary tool |
ER3477, | |||
ER93, |
Patent | Priority | Assignee | Title |
1821436, | |||
2730635, | |||
3395765, | |||
4325436, | May 21 1980 | Hilti Aktiengesellschaft | Hammer drill or chipping hammer device |
6907942, | Feb 19 2002 | KOKI HOLDINGS CO , LTD | Percussion tool |
20030155142, | |||
20050145403, | |||
165415, | |||
167415, | |||
D409468, | Sep 24 1997 | Makita Corporation | Portable electric hammer |
D447677, | Nov 18 1999 | Black & Decker Inc | Demolition hammer |
D473774, | Feb 14 2002 | Black & Decker Inc. | Compact hammer |
D480937, | Oct 10 2001 | Atlas Copco Electric Tools GmbH | Hammer drill |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jul 05 2005 | TSUZUKI, HITOSHI | HITACHI KOKI CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016771 | /0558 | |
Jul 05 2005 | SAKAI, MASATO | HITACHI KOKI CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016771 | /0558 | |
Jul 05 2005 | OKADA, MASANORI | HITACHI KOKI CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016771 | /0558 | |
Jul 05 2005 | TANIGUCHI, TAKESHI | HITACHI KOKI CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016771 | /0558 | |
Jul 06 2005 | OOKUBO, TAKAHIRO | HITACHI KOKI CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 016771 | /0558 | |
Jul 07 2005 | Hitachi Koki Co., Ltd. | (assignment on the face of the patent) | / | |||
Jun 01 2018 | HITACHI KOKI KABUSHIKI KAISHA | KOKI HOLDINGS CO , LTD | CHANGE OF NAME SEE DOCUMENT FOR DETAILS | 047270 | /0107 |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |