US Patent: 660,786 - Sparking-Plug for Explosive-Engines


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US Patent: 660,786

Sparking-Plug for Explosive-Engines

Patentee:

Edward T. Birdsall (exact or similar names) - New Rochelle, Westchester County, NY

USPTO Classifications:

174/152S, 313/137

Tool Categories:

propulsion and energy : internal combustion engines : ignition systems : spark plugs

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	May 09, 1900
Granted:	Oct. 30, 1900

Patent Pictures:

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Description:

Claim:

A sparking-plug consisting of a metallic supporting-plug and two or more insulating-tubes having their ends only "nested" the one within the other; in combination with an electrode-rod extending therethrough