<P> The One variation has a miniature clown hat (dating back to 1978) with three dots in the upper left - hand corner; the clown head was removed in 1980 . In the 1970s, the clown head was in a red box all by itself, with the company name either below or next to the box; signs in front of the restaurants had the clown head only . The' clown head' can be seen on several YouTube videos depicting Jack in the Box commercials from the 1970s and 1980s . Most Jack in the Box locations opened before late 2008 had this logo, although the company is slowly replacing them with the newer logo, along with general updating of the locations' decor . Some locations continue to use this logo as their "Open / Closed" sign . </P> <P> In 1981, horse meat labeled as beef was discovered at a Foodmaker plant that supplied hamburger and taco meat to Jack in the Box . The meat was originally from Profreeze of Australia, and during their checks on location, the food inspectors discovered other shipments destined for the United States which included kangaroo meat . </P> <P> In 1993, Jack in the Box suffered a major corporate crisis involving E. coli O157: H7 bacteria . Four children died of hemolytic uremic syndrome and 600 others were reported sick after eating undercooked patties contaminated with fecal material containing the bacteria at a location in Tacoma, Washington and other parts of the Pacific Northwest . The chain was faced with several lawsuits, each of which was quickly settled (but left the chain nearly bankrupt and losing customers). At the time, Washington state law required that hamburgers be cooked to an internal temperature of at least 155 ° F (68 ° C), the temperature necessary to kill E. coli bacteria, although the FDA requirement at that time was only 140 ° F (60 ° C), which was the temperature Jack in the Box cooked . After the incident, Jack in the Box mandated that in all nationwide locations, their hamburgers be cooked to at least 155 ° F (68 ° C). Additionally, all meat products produced in the United States are required to comply with HACCP (Hazard Analysis and Critical Control Points) regulations . Every company that produces meat products is required to have a HACCP plan that is followed continuously . Jack in the Box also worked with food safety experts from manufacturing companies and created a comprehensive program to test for bacteria in every food product . </P> <P> In 2005, Jack in the Box announced plans for nationwide expansion by 2010 . </P>

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