Patent
   D319899
Priority
May 30 1989
Filed
May 30 1989
Issued
Sep 10 1991
Expiry
Sep 10 2005
Assg.orig
Entity
unknown
5
5
n/a
The ornamental design for a visor attachment for safety helmets, as shown d described.

FIG. 1 is a side elevational view of a visor attachment for safety helmets showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

Pernicka, Martin

Patent Priority Assignee Title
D424788, Mar 19 1999 Elevated visor for a cap and other headworn articles
D441938, Mar 19 1999 Elevated visor for a cap and other headworn articles
D446631, Oct 20 1999 Elevated visor for a cap and other headworn articles
D622909, Aug 10 2009 MIDORI ANZEN CO , LTD Shield for a helmet
D952321, Jun 22 2020 Shoe clip
Patent Priority Assignee Title
2798222,
3369255,
4117553, Apr 12 1977 Helmet shield and visor apparatus
4856109, Apr 27 1988 Cabot Safety Intermediate Corporation Face protective device
168736,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 19 1989PERNICKA, MARTINInstitut de Recherche en Sante et en Securite du Travail du QuebecASSIGNMENT OF ASSIGNORS INTEREST 0050850929 pdf
May 30 1989Institut de Recherche en Sante et an Securite du Travail du Quebec(assignment on the face of the patent)
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