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US Patent: D115,575
Design for a motor casing
Patentee:
John R. Morgan - Oak Park, IL

USPTO Classifications:
D13/112

Tool Categories:

Assignees:
Sears, Roebuck & Co. - Chicago, IL

Manufacturer:
Diehl Manufacturing Co. - Elizabeth, NJ

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 29, 1939
Granted: Jul. 04, 1939

Patent Pictures:
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"Vintage Machinery" entry for Diehl Manufacturing Co.
"Vintage Machinery" entry for Sears, Roebuck & Co.
Description:
Seen on a 1/2 HP induction motor from Sears, model number 315.1952. The maker's prefix of 315 corresponds to Diehl Manufacturing Co., "Ryan", and Ryobi. By far the most likely match is Diehl, which was a motor manufacturer active at the time. They were best known for supplying motors for Singer sewing machines.

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