Pipedia Dunhill Dating Guide: Difference between revisions

Pipedia Dunhill Dating Guide (view source)

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 * The US Inner Tube patent is referenced together with PAT. APP FOR date from 1918 up to 1920. Similarly a 1914 Canadian patent reference coupled with PAT.APP FOR date from 1919 up to 1921 (see [[#Notes|notes 5]]).
-* To September/October 1918 when the US Patent application was being prepared and filed, for the nomenclature refers to that application: '''U.S.A. PAT / APPLD FOR''' but differs considerably from that later and consistently found: '''PAT. MAR.9.15 / PAT.APP FOR.'''. Similarly the DUNHILL.LONDON / “SHELL BRIAR” stamping is unique as the uniform stamping through the mid-1930s is DUNHILL’S “SHELL” MADE IN ENGLAND or DUNHILL’S “SHELL BRIAR” on one or two lines and never in any other known case a non-possessive DUNHILL or a LONDON.
+* To September/October 1918 when the US Patent application was being prepared and filed, for the nomenclature refers to that application: '''U.S.A. PAT / APPLD FOR''' but differs considerably from that later and consistently found: '''PAT. MAR.9.15 / PAT.APP FOR'''. Similarly the DUNHILL.LONDON / “SHELL BRIAR” stamping is unique as the uniform stamping through the mid-1930s is DUNHILL’S “SHELL” MADE IN ENGLAND or DUNHILL’S “SHELL BRIAR” on one or two lines and never in any other known case a non-possessive DUNHILL or a LONDON.
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