US Patent: 486,858 - Perforating-stamp


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US Patent: 486,858

Perforating-stamp

Patentee:

Benjamin F. Cummins (exact or similar names) - Chicago, IL

USPTO Classifications:

234/100, 76/107.1

Tool Categories:

trade specific : office worker

Assignees:

B. F. Cummins Co. - Chicago, IL

Manufacturer:

B. F. Cummins Co. - Chicago, IL

Witnesses:

Edmund Adcock

H. M. Munday

Patent Dates:
Applied:	Mar. 28, 1892
Granted:	Nov. 29, 1892

Patent Pictures:

USPTO (New site tip)
Google Patents
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YouTube video of perforator restoration

Description:

This patent number was seen on a "No. 2 Perforator" from B. F. Cummins Co., and provides improvements to Christian Hill's perforator patents, 409,324 and 433,033. The improvements are to simplify construction and reduce manufacturing cost.