Patent
   D501956
Priority
Dec 13 2000
Filed
Jun 13 2001
Issued
Feb 15 2005
Expiry
Feb 15 2019
Assg.orig
Entity
unknown
10
5
n/a
The ornamental design for a helmet ring, as shown.

FIG. 1 is a rear and top perspective view of a helmet ring showing our new design;

FIG. 2 is a rear and left side perspective view thereof; and,

FIG. 3 is an enlarged partial rear view thereof.

Grepper, Theo H., Knoepfli, Martin

Patent Priority Assignee Title
11793260, Aug 07 2020 SATA GmbH & Co. KG; SATA GMBH & CO KG Skull mounting system for headgear, respiratory hood with headgear and method for fastening of headgear
9949522, Aug 30 2013 MSA Technology, LLC; Mine Safety Appliances Company, LLC Suspension connection arrangement for a suspension system of a safety helmet
D581103, May 24 2007 Hatband
D581104, May 24 2007 Hatband
D616153, Jan 16 2009 Orientation band for hard hats
D661028, Sep 12 2011 Sweatband insert for hard hat headbands
D767829, Feb 04 2015 TECMEN ELECTRONICS CO , LTD Belt for welding helmet
D788994, Nov 04 2014 CUSTOM MOLDED PRODUCTS, INC Scalloped face guard ring
D853049, Sep 22 2017 3M Innovative Properties Company Headband adjustment mechanism for a headband
D853050, Sep 22 2017 3M Innovative Properties Company Ratchet knob ring for a headband
Patent Priority Assignee Title
2205742,
2926406,
4942628, Sep 20 1989 Mine Safety Appliances Company Helmet suspension having ratchet adjustment
5357654, Mar 19 1993 Ratchet diving mask strap
6314588, Jan 03 2001 Ring band adjustment structure of crash helmet
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 13 2001PLIM Corporation LTD(assignment on the face of the patent)
Aug 21 2001GREPPER, THEO H PLIM COOPERATION LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0121720327 pdf
Aug 21 2001KNOEPFLI, MARTINPLIM COOPERATION LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0121720327 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule