Patent
   D523728
Priority
Nov 12 2004
Filed
Nov 12 2004
Issued
Jun 27 2006
Expiry
Jun 27 2020
Assg.orig
Entity
unknown
8
22
n/a
The ornamental design for a hinge for a welding helmet window, as shown and described.

FIG. 1 is a front perspective view of a hinge for a welding helmet window showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view, the right side view being a mirror image thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The detail shown in the broken lines form no part of the claimed design.

Curran, Desmond T., Lee, Peter D., Martin, Daniel

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Patent Priority Assignee Title
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 04 2004LEE, PETER D3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0159970486 pdf
Oct 08 2004MARTIN, DANIEL3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0159970486 pdf
Oct 12 2004CURRAN, DESMOND T 3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0159970486 pdf
Nov 12 20043M Innovative Properties Company(assignment on the face of the patent)
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