Protective helmet
Cheng November 30, 2
U.S. patent number D499,214 [Application Number D/189,181] was granted by the patent office on 2004-11-30 for protective helmet. This patent grant is currently assigned to Polison Corporation. Invention is credited to Chen-San Cheng.
| United States Patent | D499,214 |
| Cheng | November 30, 2004 |
Protective helmet
Claims
The ornamental design for a protective helmet, as shown and described.
| Inventors: | Cheng; Chen-San (Kaohsiung, TW) |
|---|---|
| Assignee: | Polison Corporation (Kaohsiung,
TW) |
| Appl. No.: | D/189,181 |
| Filed: | September 2, 2003 |
| Current U.S. Class: | D29/110 |
| Current International Class: | 2902 |
| Field of Search: | ;D29/102-110,112,122 ;2/6.1,6.3-6.7,8-10,411-412,414,416-418,423-425,432,209,174,183 ;D28/9 |
References Cited [Referenced By]
U.S. Patent Documents
| D306363 | February 1990 | Stackhouse et al. |
| D349362 | August 1994 | Russell |
| D354588 | January 1995 | Russell |
| D354589 | January 1995 | Russell |
| D361160 | August 1995 | Russell |
| D362086 | September 1995 | Russell |
| D375583 | November 1996 | Landis et al. |
| D458713 | June 2002 | Cheng |
| 6536045 | March 2003 | Wilson et al. |
| 6591424 | July 2003 | Wang-Lee |
Attorney, Agent or Firm: Lei; Leong C.
Description
FIG. 1 is perspective view of a protective helmet showing my new design;
FIG. 2 is a front side elevation view thereof;
FIG. 3 is a rear side elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
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