Protective helmet
Crafoord , et al. September 15, 1
U.S. patent number D398,421 [Application Number D/055,704] was granted by the patent office on 1998-09-15 for protective helmet. This patent grant is currently assigned to Hornell Elektrooptik AB. Invention is credited to Rutger Belin, H.ang.kan Bergkvist, Carl-Goran Crafoord, Kjell Mases.
| United States Patent | D398,421 |
| Crafoord , et al. | September 15, 1998 |
Protective helmet
Claims
The ornamental design for a protective helmet, as shown and described.
| Inventors: | Crafoord; Carl-Goran (Djursholm, SE), Bergkvist; H.ang.kan (Bromma, SE), Mases; Kjell (Gagnef, SE), Belin; Rutger (Leksand, SE) |
|---|---|
| Assignee: | Hornell Elektrooptik AB
(Gagnef, SE) |
| Appl. No.: | D/055,704 |
| Filed: | June 11, 1996 |
Foreign Application Priority Data
| Dec 12, 1995 [SE] | 95-2362 | |||
| Current U.S. Class: | D29/110 |
| Current International Class: | 2902 |
| Field of Search: | ;D29/108-110 ;2/8,9 ;219/147 |
References Cited [Referenced By]
U.S. Patent Documents
| D296832 | July 1988 | Bachik |
| D310276 | August 1990 | Fuerthbauer et al. |
| D310432 | September 1990 | Boochard |
| D355053 | January 1995 | Honrud |
| D365666 | December 1995 | Gumpp |
| D366540 | January 1996 | Elias |
| 2644159 | July 1953 | Jacobs |
Attorney, Agent or Firm: Young & Thompson
Description
FIG. 1 is a rear perspective view of a protective helmet, showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left 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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