United States Patent D332337

Wang, Ta C. (No. 269, Sec. 2, An Ho Rd., Tainan, TW)
Application Number:
Publication Date:
Filing Date:
Primary Class:
Field of Search:
254/8B, D34/31
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US Patent References:
4964617Removable extension for a hydraulic floor jackOctober, 1990Lawrence254/8B
4850568Lever connecting mechanism for hydraulic jacksJuly, 1989Hung254/8B
D296598JackJuly, 1988HungD34/31
4635902Jack safety deviceJanuary, 1987Chou254/8B
D263128Floor jackFebruary, 1982Glover, Jr. et al.D34/31
D253696Hydraulic lifting jackDecember, 1979SuzukiD34/31
D245493Floor jackAugust, 1977KenigD34/31
4018421Portable lifting jackApril, 1977TallmanD34/31
2219903Jack illuminationOctober, 1940PfauserD34/31

Primary Examiner:
Burke, Wallace R.
Assistant Examiner:
Baynham H.
Attorney, Agent or Firm:
Rogers, Howell & Haferkamp
1. The ornamental design for a jack, as shown and described.


FIG. 1 is a perspective view of a jack showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.