In 2001, the last two digits of the year were used along with the same letters for the months, and that system continues today.Slim Zippo lighters were introduced in 1956 and had no date code on the bottom of the lighter. From 1957 through 1965, slims had different bottom date codes than did regular size Zippo lighters.C., said the kind of publicity that comes with such a milestone is more valuable than typical advertising, because it has built-in credibility.About 50,000 replicas of the 500 millionth lighter produced that day will come with the company's well-known brushed nickel chrome finish.Beginning in 1966, the same markings were used on both the slim and regular.In 2002, the holes in the chimney of slim lighters were enlarged.These lighters are now sought after collector's items and popular souvenirs for visitors to Vietnam.
'It's a huge milestone to us and it's a huge milestone to our Zippo fans around the world.'Paul J Lucas, a brand consultant who founded his self-named Paul in Washington D.The company took just over seven years to produce its previous 100 million lighters, a slowdown the company attributes to anti-smoking pressure in some markets.That's one reason why the company last year launched a series of Zippo-branded products - ranging from watches, to leisure clothing to cologne - to bolster the brand.'There are employees whose fathers and grandfathers have worked for this company,' Duke said.This was followed in 2005 with the Outdoor Utility Lighter, known as the OUL. In August 2007, Zippo released a new butane lighter called the Zippo BLU.) building contains rare and custom made Zippo lighters, and also sells the entire Zippo line.The museum was featured on the NPR program Weekend Edition on Sunday, January 25, 2009.