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US Patent: 1,940,455
Gear Retaining Means
Patentee: Ano E. Kilpela (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 29/463, 403/230, 403/315, 403/362, 411/222, 411/295, 411/334, 411/338, 411/339, 411/929 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking machine gearing Assignees: Detroit Gear & Machine Co. - Detroit, Wayne County, MI Manufacturer: Detroit Gear & Machine Co. - Detroit, Wayne County, MI Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH Witnesses: Unknown	Patent Dates: Applied: Oct. 27, 1930 Granted: Dec. 19, 1933 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Cincinnati Milling Machine Co.
Description: This patent number was seen on a Cincinnati Milling Machine Co. patent plate 4FV-101.

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