Keyless drill chuck
Chunn , et al. May 13, 2
U.S. patent number D474,387 [Application Number D/150,510] was granted by the patent office on 2003-05-13 for keyless drill chuck. This patent grant is currently assigned to TechTronic Industries Co., LTD. Invention is credited to Meily Siu Mei Chan, Daniel A. Chunn, Felix Hei Shun Leung.
| United States Patent | D474,387 |
| Chunn , et al. | May 13, 2003 |
Keyless drill chuck
Claims
The ornamental design for a keyless drill chuck, as shown and described.
| Inventors: | Chunn; Daniel A. (Hong Kong, CN), Chan; Meily Siu Mei (Hong Kong, CN), Leung; Felix Hei Shun (Hong Kong, CN) |
|---|---|
| Assignee: | TechTronic Industries Co., LTD
(HK) |
| Appl. No.: | D/150,510 |
| Filed: | November 5, 2001 |
| Current U.S. Class: | D8/70; D15/140 |
| Current International Class: | 0805 |
| Field of Search: | ;D8/70,68,69 ;D15/140 ;279/60,61,62,63,64,65,66,157,901,902 ;408/56,240 |
References Cited [Referenced By]
U.S. Patent Documents
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| D361076 | August 1995 | Shadeck et al. |
| D363295 | October 1995 | Barton |
| 5503409 | April 1996 | Rohm |
| D386193 | November 1997 | Steadings |
| D400418 | November 1998 | Lui |
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| D404988 | February 1999 | Long |
| D409067 | May 1999 | Sakamaki |
| D413340 | August 1999 | Gaddis |
| 5934690 | August 1999 | Lin |
| D423527 | April 2000 | Sakamaki |
| 6068266 | May 2000 | Barton et al. |
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| 6102411 | August 2000 | Wilson |
| 6186516 | February 2001 | Miles et al. |
| 6279918 | August 2001 | Barton et al. |
| 6354605 | March 2002 | Aultman |
| D461696 | August 2002 | Chunn et al. |
| D461697 | August 2002 | Chunn et al. |
| 6428018 | August 2002 | Aultman et al. |
| D462249 | September 2002 | Chunn et al. |
Assistant Examiner: Nelson; T. Chase
Attorney, Agent or Firm: Pang; Andrew Y. Nexsen Pruet Jacobs & Pollard, LLC
Description
FIG. 1 is a front perspective view of the keyless drill chuck of the present invention;
FIG. 2 is a rear perspective view;
FIG. 3 is a side elevational view, the top and bottom views being identical and the rear side elevation view a mirror image thereof;
FIG. 4 is a front end view; and,
FIG. 5 is a rear end view.
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