USD139754S - Design for a spark plug - Google Patents

Description

Dec. 19, 1944. Q RBQYD Des. 139,754

SPARK PLUG I Filed Sept. 27, 1943 IN VEN TOR.

BY Cimrlwfifiqgd,

Patented Dec. 19, 1944 Des,

UNITED STATES PATENT OFFICE DESIGN FOR A SPARK PLUG Charles R. Boyd, Chicago, Ill.

, Application September 27, 1943, Serial No. 111,223

. Term of patent 14 years (Cl. D26-1) To all whom it may concern: Figure 2 is a side elevational view; and

Be it known that I, Charles R. Boyd, a citizen Figure 3 is a bottom plan view. of the United States, residing at Chicago, in the The dominant features of my design reside in county of Cook and State of Illinois, have inthe portions shown in full lines. vented a new, original, and ornamental Design I claim: for Spark Plug, of which the following is a spec- The ornamental design for a spark plug, as ification, reference being had to the accompanyshown and described. ing drawing forming part thereof. CHARLES R. BOYD.

In the drawing Figure 1 is a front elevational view of a spark plug showing my new design;

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