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US Patent: 1,674,813
Propelling jack
Patentees:
Gailard E. Weaver (exact or similar names) - Springfield, IL
Ira A. Weaver (exact or similar names) - Springfield, IL

USPTO Classifications:
254/2B, 254/96, 280/3, 280/43.12

Tool Categories:

Assignees:
Weaver Mfg. Co. - Springfield, IL

Manufacturer:
Weaver Mfg. Co. - Springfield, IL

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 23, 1925
Granted: Jun. 26, 1928

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Weaver Mfg. Co.
Description:
This appears to be an improvement to the famous Walker jack of patent 1,437,606 that provides a leverage assist to moving a vehicle horizontally as well as vertically.

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