Pipedia Dunhill Dating Guide: Difference between revisions

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====U.S.PATENTS 1341418/20&1861910/32====
====U.S.PATENTS 1341418/20&1861910/32====


<span style="color:#800000">['''1932 up to 1936''']</span> Patents for Dunhill's [https://pipedia.org/images/2/2d/Screen_Shot_2563-06-24_at_11.24.38.png Oil Treatment/Sandblasting] and [https://pipedia.org/images/3/34/DunVernon16.jpg Dunhill's Vernon fitment], registered in '''United States'''.<br>
<span style="color:#800000">['''1932 up to 1934 then 1935 up to 1936''']</span> Patents for Dunhill's [https://pipedia.org/images/2/2d/Screen_Shot_2563-06-24_at_11.24.38.png Oil Treatment/Sandblasting] and [https://pipedia.org/images/3/34/DunVernon16.jpg Dunhill's Vernon fitment], registered in '''United States'''.<br>


The date code is just after the patent number (sometimes after ENGLAND): '''1930 +: <span style="font-size:small"> <u>12</u>, <u>13</u>, <u>14</u> and <u>15</u> (see [[#Notes|notes 8]])</span>''' (it is smaller and underscored).
The date code is just after the patent number (sometimes after ENGLAND): '''1930 +: <span style="font-size:small"> <u>12</u>, <u>13</u>, <u>14</u>, <u>15</u> and <u>16</u></span>''' (it is smaller and underscored).


* In early '''1932''' was stamped '''"U.S.PATENTS 1341418/20&PAT.PENDING"''' before the patent for Vernon fitment is granted (which occurred in the same year).
* In early '''1932''' was stamped '''"U.S.PATENTS 1341418/20&PAT.PENDING"''' before the patent for Vernon fitment is granted (which occurred in the same year).
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* "MADE IN ENGLAND" stamped on pipes intended for export, in these cases, stamped DUNHILL'S "SHELL" (without "Briar").
* "MADE IN ENGLAND" stamped on pipes intended for export, in these cases, stamped DUNHILL'S "SHELL" (without "Briar").


* From '''1935 up to 1936''' this patent was stamped '''DUNHILL SHELL''' (without quotation marks and the possessive).
  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''']].