US D1,089,097 S
Spark plug
James Cress, West Lafayette, IN (US); and Steffen Kuhnert, Heidelberg (DE)
Assigned to CATERPILLAR INC., Peoria, IL (US)
Filed by CATERPILLAR INC., Peoria, IL (US)
Filed on Dec. 7, 2023, as Appl. No. 29/920,015.
Application 29/920,015 is a continuation of application No. 29/796,311, filed on Jun. 23, 2021, abandoned.
Term of patent 15 Years
LOC (15) Cl. 13 - 03
U.S. Cl. D13—127
OG exemplary drawing
 
The ornamental design for a spark plug, as shown and described.