Trackball
Hu December 25, 2
U.S. patent number D452,506 [Application Number D/137,286] was granted by the patent office on 2001-12-25 for trackball. Invention is credited to Ken-Pei Hu.
| United States Patent | D452,506 |
| Hu | December 25, 2001 |
Trackball
Claims
The ornamental design for trackball, as shown and described.
| Inventors: | Hu; Ken-Pei (Sheng Kao Village, Shen Keng Shiang, Taipei Hsien, TW) |
|---|---|
| Appl. No.: | D/137,286 |
| Filed: | February 20, 2001 |
| Current U.S. Class: | D14/417; D14/408 |
| Current International Class: | 1402 |
| Field of Search: | ;D14/402-410,417 ;345/156-167 ;200/5R,5A,6R,6A ;273/148B ;74/471XY ;463/36,37,38 |
References Cited [Referenced By]
U.S. Patent Documents
| D410638 | June 1999 | Sheehan et al. |
| D435848 | January 2001 | Sheehan et al. |
| D439253 | March 2001 | Sheehan et al. |
| D441754 | May 2001 | Loughnane et al. |
Attorney, Agent or Firm: Bacon & Thomas, PLLC
Description
FIG. 1 is a perspective view of trackball showing my 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.
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