A fountain pen as a practical example

Practical Example - Fountain Pen

[Patent] A patent for a fountain pen as a pen that could store ink along its axis was created in an age when pens had to be dipped in ink every time when somebody wanted to write something.
[Utility Model] A fountain pen provided with a grip for inserting the fountain pen in a breast pocket, or provided with a pippette made of rubber which served as a means for injection of ink.
[Design] A smart design of a streamlined integrated unit or a smart design of the grip part in the shape of an arrow, etc.
[Trademark] A mark provided on the product, packaging, etc., in order to indicate the reliability of maintenance and other characteristics of the products produced by the company that manufactured the fountain pen.

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