US Patent: 3,122,837 - Spark-plug gap gauge


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US Patent: 3,122,837

Gauge
Spark-plug gap gauge

Patentee:

Theodore S. Wrona (exact or similar names) - Chicago, IL

USPTO Classifications:

33/567

Tool Categories:

trade specific : vehicle repairer : vehicle mechanic

Assignees:

None

Manufacturer:

Automark Industries, Inc. - Palatine, IL

Witnesses:

Unknown

Patent Dates:
Applied:	Feb. 20, 1962
Granted:	Mar. 03, 1964

Patent Pictures:

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Description:

This spark plug gauge uses a piece of sheet metal with a section of tapered thickness and labeled according to thickness. An example has been seen, labeled "Automark Spark Plug Gap Gauge / U.S.Pat. 3122837 / Made in Canada". US Trade Mark Registration S/N 447,292 is for the "AUTOMARK" name used for, among other things, spark plug gauges; this mark was regisered by Automark Industries, Inc., Palatine, Ill. There may or may not be a connection to Jay International Corp. of Chicago, which had an "Automark Division" that made Automark spark plugs among other products.