Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 1,396,728
Unreeling and tension device
Patentee:
Penrose E. Chapman (exact or similar names) - St. Louis, MO

USPTO Classifications:
242/156.2, 242/433.2

Tool Categories:
electrical devices : electric motors : electric motor making

Assignees:
None

Manufacturer:
P. E. Chapman Electrical Works, Inc. - St. Louis, MO

Witnesses:
E. F. Siedler
Justine E. Kossman

Patent Dates:
Applied: Apr. 24, 1917
Granted: Nov. 15, 1921

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for P. E. Chapman Electrical Works, Inc.
Description:
Improvements to the inventor's patents 1,121,798 and the not-yet-issued 1,500,181, to lay down the windings with a uniform tension on the wire, which avoids chattering and injury to the wire's insulating coating.

Copyright © 2002-2025 - DATAMP