US Patent: 3,122,837
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Gauge Spark-plug gap gauge
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Patentee:
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Theodore S. Wrona (exact or similar names) - Chicago, IL |
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Patent Dates:
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Applied: |
Feb. 20, 1962 |
Granted: |
Mar. 03, 1964 |
USPTO (New site tip) Google Patents
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Jeff Joslin
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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. |
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