5,741
edits
Pipedia Dunhill Dating Guide: Difference between revisions
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→PAT. No. 5861/12.119708/17
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<span style="color:#800000">['''1918 up to 1926''']</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/d/d1/PA3104-900x900.jpg Inner Tubes], registered in '''England'''.<br> | <span style="color:#800000">['''1918 up to 1926''']</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/d/d1/PA3104-900x900.jpg Inner Tubes], registered in '''England'''.<br> | ||
The date code is just after the patent number | The date code is just after the patent number: '''1920 +: <span style="font-size:small"><u>2</u>, <u>3</u>, <u>4</u>, <u>5</u> and <u>6</u></span>''' (they are smaller and underscored). | ||
* Dunhill formally instituted a one-year pipe guarantee (the "White Spot Guarantee") and in conjunction with that guarantee a date '''code system to date the pipes in 1921'''. | * Dunhill formally instituted a one-year pipe guarantee (the "White Spot Guarantee") and in conjunction with that guarantee a date '''code system to date the pipes in 1921'''. | ||
* Possessive stamp: DUNHILL'S "SHELL BRIAR" | * Possessive stamp: DUNHILL'S "SHELL BRIAR" did not have the "Made in England". | ||
* Before 1921 Shell Briar did not have the "Made in England". | * Before 1921 Shell Briar did not have the "Made in England". | ||