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US Patent: D34,481
Design for a Plate for Spring Joints
Patentee: Justus A. Traut (exact or similar names) - New Britain, CT USPTO Classifications: D10/74 Tool Categories: rules : folding rules : folding rule joints Assignees: None Manufacturer: Not known to have been produced Witnesses: Frank L. Traut Eddy N. Smith	Patent Dates: Applied: Jan. 26, 1901 Granted: May 07, 1901 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
Description: Plate for joints used in zig-zag style rulers. Patent term is 14 years.

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