Title:
Grinding protection plate
Document Type and Number:
United States Patent D840606

Inventors:
Berggren, Martin A. J. M. (Tällberg, SE)
Juhlin, Oskar E. (Gustavsberg, SE)
Application Number:
29/642912
Publication Date:
02/12/2019
Filing Date:
04/03/2018
View Patent Images:
Assignee:
3M INNOVATIVE PROPERTIES COMPANY (St. Paul, MN, US)
Primary Class:
International Classes:
(IPC1-7): 2902
Field of Search:
D29/108-110, D29/102-107, D29/122, D16/101, D16/300, D16/900, D21/659-661
US Patent References:
D819892Helmet2018-06-05Lee
D793007Welding helmet2017-07-25Yang
9596902Earmuff accommodating welding shield2017-03-21Daniels et al.
D781507Sight glass of welding mask2017-03-14HuhD29/122
D781508Sight glass of welding mask2017-03-14HuhD29/122
D775427Welding helmet2016-12-27Zhou
9271871Face protector lens assembly and method of use2016-03-01Wright
8701212Elongated guide, and visor removably mountable thereto2014-04-22Daniels et al.
D674150Welding helmet2013-01-08Juhlin et al.
D669227Welding helmet2012-10-16Wang
D668001Front opening frame of a welding helmet2012-09-25Juhlin et al.
D592811Welding helmet collar portion2009-05-19Juhlin
7520630Mask illumination device and personnel locator and/or communicator2009-04-21Murphy
D584008Welding helmet front opening2008-12-30Juhlin
D517745Chin portion of welding helmet visor2006-03-21Lee et al.
6161225Shield structure of helmet2000-12-19Arai
D360058Multi-function helmet1995-07-04Reede
5302815Light protection apparatus comprising an electrically controllable light protection filter element1994-04-12Eggenschwiler
D340546HelmetOctober, 1993Kamata
D255283Fireman's helmetJune, 1980Piche
3945044Goggle and accessories therefor1976-03-23McGee2/434
1337036Eye-shield1920-04-13Bergmann2/12
Primary Examiner:
Delehanty, Robert A.
Attorney, Agent or Firm:
Kusters, Johannes P. M.
Claims:
CLAIM

1. The ornamental design for a grinding protection plate, as shown and described.

Description:

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.