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US Patent: 1,635,259
Cylinder Head Lifting Tool
Patentee:
James Verner Critchley (exact or similar names) - Worcester, Worcester County, MA

USPTO Classifications:
16/422, 29/278, 294/15, 403/343

Tool Categories:
specialty tools : automotive tools

Assignees:
Walden-Worcester Inc. - Worcester, Worcester County, MA

Manufacturer:
Walden-Worcester Inc. - Worcester, MA

Witnesses:
none listed

Patent Dates:
Applied: Feb. 11, 1926
Granted: Jul. 12, 1927

Patent Pictures: [ 1 | 2 | 3 ]
James V. Critchley patent July 12, 1927
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Description:
This "T" handle tool with threaded collar matching spark plug thread size would work with engines having spark plug ports on the top. A Febr. 1928 "new product" listing shows this as "Pat. Pend." No. L3 "head lifter." It was introduced during the period when STEVENS was moving toward merger with WALDEN-WORCESTER.

A known example's markings include the patent number.

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