US Patent: 731,857 - Electric motor


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US Patent: 731,857

Electric motor

Patentee:

Penrose E. Chapman (exact or similar names) - St. Louis, MO

USPTO Classifications:

310/36

Tool Categories:

electrical devices : electric motors

specialty machines : calculators

Assignees:

Universal Accountant Machine Co. - St. Louis, MO

Manufacturer:

Not known to have been produced

Witnesses:

George Bakewell

G. A. Pennington

Patent Dates:
Applied:	Sep. 15, 1902
Granted:	Jun. 23, 1903

Patent Pictures:

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Description:

Electric motor intended for use in adding machines and the like where the motor armature typically makes less than a full revolution in normal operation.