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Patent number:
Patent Date:
US Patent: 389,276
Expanding Pulley
Patentees:
Judah Levy Yuly (
exact
or
similar
names) - Southsea, Hampshire County, England
Herbert Walter Andrews (
exact
or
similar
names) - Southsea, Hampshire County, England
USPTO Classifications:
474/56
Tool Categories:
industrial machines
:
industrial machine mechanisms
:
industrial machine pulleys and belt drive mechanisms
Assignees:
None
Manufacturer:
Not known to have been produced
Witnesses:
Unknown
Patent Dates:
Applied:
Sep. 06, 1887
Granted:
Sep. 11, 1888
Patent Pictures:
USPTO
(New site tip)
Google Patents
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