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Dearest Member or Visitor of the little Fountain Pen Nut house on the digital prairie,

Due to a continuing DDoS attack, FPN could be moving only slowly. Hosting Support is dealing with this. The earlier reported hardware issue has been fixed. Apologies for the inconvenience.

Warm regards, the FPN Moderator & Admin Team



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23 replies to this topic

#21 Yiddil



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Posted 13 March 2010 - 22:09

Earliest one I could find was the Guyot one...seeems most were mid 20's with sheaffer being the earliest? Thnaks Jonny:)
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#22 jonveley



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Posted 04 August 2011 - 12:12

Here's an odd question:

I recently ran across an early Parker Duofold Pencil in a box marked "Parker Pencil Patented March 22, 1921." I checked and there's only 2 patents that were issued for pencils on that date: 1,372,296 and 1,372,354: both were issued to Charles Keeran (inventor of the Eversharp Pencil) and assigned to Autopoint Pencil.

The Duofold Mechanism appeared to have been covered by George Gilman's patent number 1,632,371, which was applied for in November, 1921 but wasn't granted until June 14, 1927. I can't figure out what part of Charles Keeran's designs were incorporated into the Duofold pencil. Did Parker "borrow" a patent date from Autopoint (either with or without its consent) just to ward off the copycats while their application was pending, or am I missing another patent?

#23 RamonCampos



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Posted 11 February 2014 - 11:19

Here I uploaded a collection of them that can be seen at a glance 50 Parker patents containing, among others, patents US2,187,528 and US2,282,840 as inspiration of Parker "51"



Edited by Lazard 20, 11 February 2014 - 19:47.

#24 vikramguliya



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Posted 10 June 2014 - 06:06

Nice info about patent

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