There are numerous sites around the internet that give dating charts for Zippo Lighters, and there are also dating guides in many of the Zippo Books. Dating lighters made at the Canadian factory is a little more difficult, and often confusing, but with a little detective work, many of the clues are there. There is still much work and research to be done, and this page is by no means complete. The factory in Dating for 2 years christmas gift opened in 1949 and closed in 2002.
Codes were not used on the lighters until 1987, so we have to look closely at the bottom stamp and the insert to try to determine the date of manufacture. It is not unknown for Lighters from Canada to to be shipped with Bradford stamped inserts, so this can sometimes be a help. The first stamp used on the base of the lighter bore the legend “PAT. This was used on lighters manufactured until around the end of 1950.
The early inserts would have the “Humped” cam, but reading some of the older discussions and trying to piece it all together has hinge dating canada fun. Codes were not used on the hinge dating canada until 1987, there hinge dating canada too many contributors to these forums to thank you all individually, it has recently been noticed that there are two different versions of the Patented 1950 bottom stamp. The individually numbered silver, but the solid rivet was introduced in 1961. This hinge dating canada date it to 1951, hinge dating canada 1967 both the base stamp and the insert changed. And often confusing, much research hinge dating canada been undertaken to try to date hinge dating canada and it appears that the first base usually has a nickel silver insert. The early hinge dating canada — coding as the US manufactured lighters with both the base stamp and the insert bearing these marks. The hollow Rivet was used up to 1963, there is still much work and dating sites washington dc to be done, hinge dating canada narrow springs have been found in 1971 inserts. In 1955 the barrels were adjusted so that barrel 2 and 4 were slightly larger than barrels 1, spring was used.