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Jc.bienfait (talk | contribs) (Created page with "Parfois le brevet a été estampillé sans aucun code date après 1921. Voir s'il existe quelque détail supplémentaire qui puisse aider à estimer une date approximative ...") |
Jc.bienfait (talk | contribs) (Created page with "<span style="color:#800000">['''1933 ensuite 1935''']</span> Brevet des Dunhill sablées et traitées à l'huile [https://pipedia.org/images/2/2d/Screen_Shot_2563-06-24_at_11...") |
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====CANADIAN PATENTS 209845/21&PAT.PENDING==== | ====CANADIAN PATENTS 209845/21&PAT.PENDING==== | ||
<span style="color:#800000">['''1933 | <span style="color:#800000">['''1933 ensuite 1935''']</span> Brevet des Dunhill sablées et traitées à l'huile [https://pipedia.org/images/2/2d/Screen_Shot_2563-06-24_at_11.24.38.png Oil Treatment/Sandblasting] et de l'Inner Tube à collerette [https://pipedia.org/images/3/32/Innerwflange.jpeg Inner Tubes with flange], déposés au '''Canada'''.<br> | ||
The date code is just after the patent number (sometimes after ENGLAND): '''1930 +: <span style="font-size:small"> <u>13</u> then <u>15</u></span>''' (they are smaller and underscored). | The date code is just after the patent number (sometimes after ENGLAND): '''1930 +: <span style="font-size:small"> <u>13</u> then <u>15</u></span>''' (they are smaller and underscored). |
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