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Sometimes the patent was stamped without any date code. See if there are any additional details that can help you figure out an approximate date [[#Triggers|'''here''']]. | Sometimes the patent was stamped without any date code. See if there are any additional details that can help you figure out an approximate date [[#Triggers|'''here''']]. | ||
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====PATENT No. 356090==== | |||
<span style="color:#800000">['''1936''']</span> The patent for [https://pipedia.org/images/3/34/DunVernon16.jpg Dunhill's Vernon fitment] (sometimes attached to the shank), registered in '''Canada'''.<br> | |||
The date code is just after the patent number (sometimes after ENGLAND): '''1930 +: <span style="font-size:small"> <u>16</u></span>''' (it is smaller and underscored). | |||
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