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US Patent: RE19,414
Valve Spring Compressor
Ira J. Clark - Fort Morgan, Morgan County, CO

USPTO Classifications:
29/213.1, 65/20

Tool Categories:
specialty tools : valve spring tools


Not known to have been produced

none listed

Patent Dates:
Applied: Nov. 14, 1931
Granted: Jan. 08, 1935

Reissue Information:
Reissue of 1,871,498 (Aug. 16, 1932)

Patent Pictures:
Ira J. Clark reissue patent January 8, 1935
USPTO pdf tiff
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Reissue application filed August 7, 1934.

The lever handle is capable of "over center lock;" the sliding loop will hold adjustment when "lock" cannot be achieved. The patent claims elements of the clamping linkage and frame structure.

The jaw end structures are described in the specifications but not included in the claims.

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