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US Patent: 377,867
Draftsman's Compass
Patentee:
Joshua Stevens - Chicopee Falls, MA

USPTO Classifications:
33/27.02

Tool Categories:
layout tools : compasses

Assignees:
J. Stevens Arms & Tool Co. - Chicopee Falls, MA

Manufacturer:
Not known to have been produced

Witnesses:
James H. Loomis
George E. Page

Patent Dates:
Applied: Jun. 23, 1887
Granted: Feb. 14, 1888

Patent Pictures:
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Description:
This patent is for the pencil holder and the means of adjusting it.

These Spring calipers were introduced in 1888 and incorporated the features from patents, 337,531, 351474, 377,867 and 377868. The Square leg style was offered under the "IDEAL" label and the flat leg version under the "Leader" label.

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