Patent
   D336553
Priority
Jun 29 1989
Filed
Aug 29 1989
Issued
Jun 15 1993
Expiry
Jun 15 2007
Assg.orig
Entity
unknown
8
6
n/a
The ornamental design for a protective helmet, as shown and described.

FIG. 1 is a top, front and side perspective view of a protective helmet showing my new design;

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a rear elevational view thereof.

Blome, Willi

Patent Priority Assignee Title
D428535, May 28 1999 VIC HOCKEY COMPANY INC Hockey helmet
D433541, May 28 1999 VIC HOCKEY COMPANY INC Hockey helmet
D476776, Jun 06 2000 Heaume Activites S.A. Protective helmet
D490572, Jul 31 2002 Heaume Activites S.A. Protective helmet
D765316, Feb 05 2014 PIAGGIO & C. S.P.A. Helmet
D766515, Feb 05 2014 PIAGGIO & C. S.P.A. Helmet
D777379, Aug 25 2014 RPX Corporation Head mounted display helmet
D846810, Jun 23 2017 Protective helmet
Patent Priority Assignee Title
D295902, Jul 29 1982 ROSEBANK PLASTICS PTY LTD , 13 12 AIRLIE AVENUE, DANDENONG, VICTORIA, AUSTRALIA A CORP OF AUSTRALIA Helmet
D300070, Mar 07 1986 Societe Generale Bicyclist's helmet
D303851, Jun 10 1986 Societe Generale Bicyclist's helmet
D309961, Jul 17 1987 CHASE MANHATTAN INTERNATIONAL LIMITED Bicyclist's helmet
D310893, Oct 16 1987 Societe Generale Cyclist's ventilated helmet
D319112, Sep 22 1988 Societe Generale Cyclist helmet
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 17 1989BLOME, WILLIFIRMA KARL SCHEFFER-KLUTE GMBH & CO ASSIGNMENT OF ASSIGNORS INTEREST 0051160895 pdf
Aug 29 1989Firma Karl Scheffer-Klute GmbH & Co.(assignment on the face of the patent)
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