US D1,064,276 S
Respirator filter cartridge
Jennifer A. Chaisson, Kemptville (CA); Jamie V. Blair, Nepean (CA); and Gary E. Dwyer, Mallorytown (CA)
Assigned to 3M Innovative Properties Company, St. Paul, MN (US)
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
Filed on Jan. 12, 2023, as Appl. No. 29/869,926.
Application 29/869,926 is a division of application No. 29/789,824, filed on Oct. 20, 2021, abandoned.
Application 29/789,824 is a division of application No. 29/667,253, filed on Oct. 19, 2018, granted, now D936226, issued on Nov. 16, 2021.
Term of patent 15 Years
LOC (15) Cl. 24 - 02
U.S. Cl. D24—162
OG exemplary drawing
 
The ornamental design for a respirator filter cartridge as shown and described.