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US Patent: 1,978,346
Delayed Trip for Hydraulic Circuits
Patentees:
Hans Ernst (exact or similar names) - Cincinnati, Hamilton County, OH
Charles W. Goodrich (exact or similar names) - Cincinnati, Hamilton County, OH

USPTO Classifications:
409/170, 60/377, 91/38

Tool Categories:
metalworking machines : metalworking machine mechanisms : hydraulic apparatus

Assignees:
Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH

Manufacturer:
Cincinnati Milling Machine Co. - Cincinnati, Hamilton County, OH

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 15, 1930
Granted: Oct. 23, 1934

Patent Pictures:
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"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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