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Patent
   D253916
Priority
Feb 22 1978
Filed
Feb 22 1978
Issued
Jan 15 1980
Expiry
Jan 15 1994
Inventors
Vitaloni, …
Assg.orig
Squirrel S…
Assg.curr
Squirrel S…
Entity
unknown
Referenced by
6
References
1
Maint.:
n/a
The ornamental design for crash helmet, as shown.

FIG. 1 is a perspective view of a crash helmet showing my new design.

FIG. 2 is a left-side view

FIG. 3 is a top view

FIG. 4 is a front view

FIG. 5 is a plan view from below.
INVENTORS:

Vitaloni, Alberto

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
11388944, Jul 11 2014 Under Armour, Inc. Chin strap
D353025, Nov 12 1991 Shoei Kako Kabushiki Kaisha Helmet
D353026, Dec 11 1991 SHOEI KAKO KABUSHIKI KAISHA A CORP OF JAPAN Helmet
D372343, Jun 05 1992 Peltor Aktiebolag Helmet visor
D499213, Apr 07 2003 Troy Lee Designs Helmet with visor
ER4623,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3132345,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 22 1978Squirrel S.p.A.(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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