USD172789S - Bumper jack - Google Patents

Bumper jack Download PDF

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Publication number
USD172789S
USD172789S US D172789 S USD172789 S US D172789S
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US
United States
Prior art keywords
bumper jack
bumper
jack
aug
haferkorn
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Herbert O. Haferkorn
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1 H. o. HAFERKORN Des. 172,789
BUMPER JACK Filed March 11, 1953 INVEN TOR. H erb en? 0. Hwfel'liorn BY amm ATTORZVEYS I Patented Aug. 10, 1954 UNITED STATES E Des. 172,789
TENT OFFICE BUMPER JACK Herbert 0. Haferkorn, Canton, Ohio Application March 11, 1953, Serial No. 23,987
Term of patent 14 years Fig. 2 is a sectional view on the line 2-2 of Fig. 1 looking in the direction of the arrows.
I claim:
The ornamental design for a bumper jack, substantially as shown.
References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 1,550,885 Dart Aug. 25, 1925 2,251,759 Saunders Aug. 5, 1941

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