USD227394S - Lifting jack - Google Patents
Lifting jack Download PDFInfo
- Publication number
- USD227394S USD227394S US D227394 S USD227394 S US D227394S
- Authority
- US
- United States
- Prior art keywords
- lifting jack
- view
- jack
- lifting
- westroyd
- Prior art date
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Patented June 19, 1973 LIFTING JACK Arthur Dewhirst Hey-Skipton, 39 Westroyd Crescent, Pudsey, England Filed Mar. 29, 1972, Ser. No. 239,400
Claims priority, application Great Britain Nov. 13, 1971 Term of patent 14 years 7 im. 01. n12 -05 US. 01. 041-1 1 lllllllll/ll FIG. 1 is a perspective view from one side of a lift- References Cited iflgiack; UNITED STATES PATENTS FIG. 2 is the other side elevation;
3 is a front l i B nl 4 is a rear elevation; Mc FIG. 5 is a plan View from above 873,248 12/1907 Lagasse et a1. 254-7102 I claim:
WALLACE R. BURKE, Primary Examiner W. N. WERTMAN, Assistant Examiner The ornamental design for a lifting jack, as shown.
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