5,741
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Pipedia Dunhill Dating Guide: Difference between revisions
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→PAT. Nos. 209845/21&197365/20
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====PAT. Nos. 209845/21&197365/20==== | ====PAT. Nos. 209845/21&197365/20==== | ||
<span style="color:#800000">['''1927 | <span style="color:#800000">['''1927 then 1928 up to 1934''']</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/3/32/Innerwflange.jpeg Inner Tubes with flange], registered in '''Canada'''.<br> | ||
The date code is just after the patent number (sometimes after FABRICATION ANGLAISE): '''1920 +: <span style="font-size:small"> <u>7</u>, <u>8</u>, <u>9</u> and, <u>0</u> for 1930, <u>11</u>, <u>12</u>, <u>13</u> and <u>14</u> for the 30s.</span>''' (they are smaller and underscored). | The date code is just after the patent number (sometimes after FABRICATION ANGLAISE): '''1920 +: <span style="font-size:small"> <u>7</u>, <u>8</u>, <u>9</u> and, <u>0</u> for 1930, <u>11</u>, <u>12</u>, <u>13</u> and <u>14</u> for the 30s.</span>''' (they are smaller and underscored). | ||