This image was copied from wikipedia:en. The original description was:

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.  Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information).

This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse

Text of patent:

TO ALL WHOM IT MAY CONCERN:

Be it known that we, M.Klein and Henry W. Wynne, both of Keokuk, in the State of Iowa, have invented a new and useful Improvement in Fountain-Pens; and we do hereby declare the following to be a full, clear, and exact description thereof, reference being had to the accomanying drawings, and to the letters of reference marked theron, in which—

Figure 1 is a longituninal sectional view of a fountain-pen, with our improvement.

This invention consists of forming an ink-chamber A in the handle or holder, together with an arrangement of parts to supply the ink to the pen-point K, for use as wanted.

The whole is made as shoen in the drawings. At the top of the ink-chamber A is made a small entrance, C, for the air. There is a valve, B, held by a spring, D, to close this entrance C. On the lower part of the holder is a projecting part, F. This part F is the bent end of a rod, E, which passes along through a small tube, G, enclosed in the body of the holder, and connects with the spring D, so that, by pushing the part F up with the finger, the spring D and valve B will be raise, and allow the air to enter the ink-chamber A by the hole C, which will permit the ink to flow through a very small hole or tube, I, on to the pen-point K for use, when, by releasing the part F, the spring D will force the valve B on to the opening C, so asto close it, which will cause the pressure of the atmosphere to restrain the ink from flowing through the hole or tube I. The shield part L assists to hold a supply of ink under the pen-point K. The cap M covers and protects the valve B and accompanying parts. The part H, forming the lower part of the ink-chamber A, can be taken off, when the ink can be poured into the chamber A by inverting it.

This arrangement can be used to supply ink to drawing-pens, by substituting them for the pen-point K and sheild L.

What we claim is—

1. The air-opening C, which the spring-valve B D at the top of the ink-chamber A, as and for the purpose specified.
2. The rod F E, to raise the air-valve B, with its enclosed passage-way G, substantially as specified.

M. KLEIN
MENTY W. WYNNE

Witnesses:
Charles Buren,
Jacob Spraker

date/time	username	edit summary
16:05, 15 November 2004	Quadell	( Public domainPublic domainfalsefalse This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.  Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information). This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse)
07:56, 20 July 2004	PlatinumX	(added text of patent to go along with image)
03:06, 23 June 2004	Reddi	(US68445)