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	23:11, 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	dicembre 31, 1956 +
Application number	631758 +
Assigned to	Pairotto Man-Nen-Hitsu Kabushiki Kaisha +
Invented by	Ryujiro Uchida + e Chuji Kurihara +
Mention patent	+, +, File:Patent-FR-628272.pdf + e File:Patent-FR-1119961.pdf +
Patent date	febbraio 3, 1959 +
Patent description	Gruppo pennino e Switch filler +
Patent number	2871825 +
Patent title	Fountain pen +
Patented by	Pilot +
Patented in	US +
Priority date	gennaio 18, 1956 +
Same invention of	+ e +
Used for feature	Switch filler +