File:Patent-US-2504420.pdf

From FountainPen
Jump to: navigation, search
Go to page


Original file(1,159 × 1,704 pixels, file size: 463 KB, MIME type: application/pdf, 6 pages)
Inventor

Philip C. Hull, George W. Gilman

Assignee

The Parker Pen Company

Country

US

Application N°

739276

Application Date

1947-03-31

Patent N°

2504420

Brevettato

1950-04-18

Priorità

1947-03-31

Brand

Parker

Title

Magazine pencil with rotary lead propelling means

Description

Matita meccanica

Riferimenti esterni

Informazioni

Brevetto per una matita meccanica. Riferimenti a nº US-1621990, nº US-1864038 e nº US-2116136.

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current19:02, 6 August 2012Thumbnail for version as of 19:02, 6 August 20121,159 × 1,704, 6 pages (463 KB)Piccardi (talk | contribs){{PatentInfo |Inventor=Philip C. Hull, George W. Gilman |Assignee=The Parker Pen Company |Country=US |ApplicationNum=739276 |ApplicationDate=1947-03-31 |PatentNum=2504420 |PatentDate=1950-04-18 |PriorityDate=1947-03-31 |Titolo=Magazine pencil with rota...
  • You cannot overwrite this file.

There are no pages that link to this file.

关于“Patent-US-2504420.pdf”的事实
Application date1947年3月31日 (一) +
Application number739276 +
Assigned toThe Parker Pen Company +
Invented byPhilip C. Hull +和George W. Gilman +
Mention patentFile:Patent-US-1621990.pdf +File:Patent-US-1864038.pdf +File:Patent-US-2116136.pdf +
Patent date1950年4月18日 (二) +
Patent descriptionMatita meccanica +
Patent number2504420 +
Patent titleMagazine pencil with rotary lead propelling means +
Patented byThe Parker Pen Company +
Patented inUS +
Priority date1947年3月31日 (一) +