US D1,040,437 S
Filter for a welding helmet
Paul H. Rumpke, Lakewood, OH (US); Emily C. Payne, Cleveland, OH (US); Chase P. Rutti, Cleveland, OH (US); and Joseph R. Brusky, Willowick, OH (US)
Assigned to LINCOLN GLOBAL, INC., Santa Fe Springs, CA (US)
Filed by Lincoln Global, Inc., Santa Fe Springs, CA (US)
Filed on Feb. 24, 2022, as Appl. No. 29/828,080.
Term of patent 15 Years
LOC (14) Cl. 02 - 99
U.S. Cl. D29—122
OG exemplary drawing
 
The ornamental design for an filter for a welding helmet, as shown and described.