US Patent: 85,434 - Improved compound for extinguishing fires


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US Patent: 85,434

Improved compound for extinguishing fires

Patentee:

Thomas Drew (exact or similar names) - Newton, MA

USPTO Classifications:

252/7

Tool Categories:

specialty tools : firefighting tools : fire extinguishers

Assignees:

James P. Bridge - Boston, MA

Thomas Drew - Newton, MA

Manufacturer:

W. & B. Douglas - Middletown, CT

Witnesses:

James Flynn

Augustine Jones

Patent Dates:
Granted:	Dec. 29, 1868

Patent Pictures:

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Vintage Machinery entry for W. & B. Douglas

Description:

There is no patent drawing. This patent is referenced in patent 97,894, which covers a chemical fire extinguisher manufactured by W. & B. Douglas Mfg. Co.