Patent
   D840606
Priority
Apr 03 2018
Filed
Apr 03 2018
Issued
Feb 12 2019
Expiry
Feb 12 2034
Assg.orig
Entity
unknown
4
22
n/a
The ornamental design for a grinding protection plate, as shown and described.

FIG. 1 is a perspective view showing the new design for a grinding protection plate for a welding helmet;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

Juhlin, Oskar E., Berggren, Martin A. J. M.

Patent Priority Assignee Title
D882878, Sep 22 2017 3M Innovative Properties Company Task light protection plate for a welding helmet
D887553, Apr 04 2018 3M Innovative Properties Company Respirator filter
D936905, Jul 31 2019 Stryker Corporation Surgical hood
D936909, Jul 31 2019 Stryker Corporation Surgical face shield for a surgical hood
Patent Priority Assignee Title
1337036,
3945044, Mar 07 1974 FIRST SECURITY BANK OF IDAHO, N A Goggle and accessories therefor
5302815, Jan 10 1992 Sperian Welding Protection AG Light protection apparatus comprising an electrically controllable light protection filter element
6161225, Apr 30 1998 Shield structure of helmet
7520630, Nov 04 2005 Trispec Eye Gear Mask illumination device and personnel locator and/or communicator
8701212, Sep 26 2012 3M Innovative Properties Company Elongated guide, and visor removably mountable thereto
9271871, Nov 23 2009 MENTA PATENT PARTNERS, LLC; MENTA, GREGORY S Face protector lens assembly and method of use
9596902, May 30 2014 3M Innovative Properties Company Earmuff accommodating welding shield
D255283, Jun 07 1978 Fireman's helmet
D340546, Feb 08 1991 Shoei Kako Kabushiki Kaisha Helmet
D360058, Sep 10 1993 Multi-function helmet
D517745, Nov 12 2004 3M Innovative Properties Company Chin portion of welding helmet visor
D584008, Nov 15 2007 3M Innovative Properties Company Welding helmet front opening
D592811, Nov 15 2007 3M Innovative Properties Company Welding helmet collar portion
D668001, Mar 10 2010 3M Innovative Properties Company Front opening frame of a welding helmet
D669227, May 03 2011 Welding helmet
D674150, Mar 10 2010 3M Innovative Properties Company Welding helmet
D775427, Apr 26 2013 YUNNAN OUTAI SCIENCE AND TRADE CO , LTD Welding helmet
D781507, Mar 04 2016 Otos Wing Co., Ltd.; OTOS WING CO , LTD Sight glass of welding mask
D781508, Mar 04 2016 Otos Wing Co., Ltd.; OTOS WING CO , LTD Sight glass of welding mask
D793007, Feb 24 2016 NINGBO GEOSTAR PHOTOELECTRIC TECHNOLOGY CO , LTD Welding helmet
D819892, Jan 13 2017 HJC Corp. Helmet
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Apr 03 20183M Innovative Properties Company(assignment on the face of the patent)
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