File:Patent-US-2871825.pdf

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Inventor	Ryujiro Uchida, Chuji Kurihara
Assignee	Pairotto Man-Nen-Hitsu Kabushiki Kaisha
Country	US
Application N°	631758
Application Date	1956-12-31
Patent N°	2871825
Brevettato	1959-02-03
Priorità	1956-01-18
Brand	Pilot
Title	Fountain pen
Description	Gruppo pennino e Switch filler

Riferimenti esterni

Brevetto per il gruppo pennino ed il particolare sistema di caricamento (denominato in ambito anglosassone switch filler), utilizzati dalla Pilot per la linea Super. Priorità da brevetto giapponese. Stessa invenzione di nº FR-1171431. Stessa invenzione di nº GB-809236. Riferimenti a nº US-2158615 e nº US-2766728; ed inoltre nº FR-628272, nº FR-1119961.

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current	22:11, 12 July 2012		1,159 × 1,704, 5 pages (245 KB)	Piccardi (talk \| contribs)	{{PatentInfo \|Inventor=Ryujiro Uchida, Chuji Kurihara \|Assignee=Pairotto Man-Nen-Hitsu Kabushiki Kaisha \|Country=US \|ApplicationNum=631758 \|ApplicationDate=1956-12-31 \|PatentNum=2871825 \|PatentDate=1959-02-03 \|PriorityDate=1956-01-18 \|Titolo=Fountain ...

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Application date	1956年12月31日 (月) +
Application number	631758 +
Assigned to	Pairotto Man-Nen-Hitsu Kabushiki Kaisha +
Invented by	Ryujiro Uchida + および Chuji Kurihara +
Mention patent	+、 +、 + および +
Patent date	1959年2月3日 (火) +
Patent description	Gruppo pennino e Switch filler +
Patent number	2871825 +
Patent title	Fountain pen +
Patented by	Pilot +
Patented in	US +
Priority date	1956年1月18日 (水) +
Same invention of	+ および +
Used for feature	Switch filler +