File:Patent-US-448360.pdf

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Original file(1,159 × 1,704 pixels, file size: 118 KB, MIME type: application/pdf, 3 pages)
Inventor

John Oliphant

Assignee

John Oliphant

Country

US

Application N°

351461

Application Date

1890-05-12

Patent N°

448360

Brevettato

1891-03-17

Priorità

1890-05-12

Brand

Unbranded

Title

Fountain-pen

Description

Caricamento a sacchetto di gomma

Riferimenti esterni

Informazioni

Brevetto per un caricamento a compressione di un sacchetto di gomma, uno dei primi al riguardo, citato da Roy Conklin nel brevetto del Crescent Filler.

File history

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current00:49, 25 July 2012Thumbnail for version as of 00:49, 25 July 20121,159 × 1,704, 3 pages (118 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=John Oliphant |Assignee=John Oliphant |Country=US |ApplicationNum=351461 |ApplicationDate=1890-05-12 |PatentNum=448360 |PatentDate=1891-03-17 |PriorityDate=1890-05-12 |Titolo=Fountain-pen |Marca=Unbranded |Descrizione=Caricamento...
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关于“Patent-US-448360.pdf”的事实
Application date1890年5月12日 (一) +
Application number351461 +
Assigned toJohn Oliphant +
Invented byJohn Oliphant +
Patent date1891年3月17日 (二) +
Patent descriptionCaricamento a sacchetto di gomma +
Patent number448360 +
Patent titleFountain-pen +
Patented byUnbranded +
Patented inUS +
Priority date1890年5月12日 (一) +