Translations:Match-stick filler/4/en

The system is therefore quite primitive since no one had found a solution to its most important problem, that in case of breakage of the inner rubber bag, the ink could escape from the hole on the body of the pen with the imaginable unpleasant consequences.

Related Patents

• Patent n° US-766560, of 1904-08-02, requested on 1904-05-16, of Otto E. Weidlich, Weidlich. Fountain-pen.

• Patent n° US-827022, of 1906-07-24, requested on 1905-07-22, of David B. Kaufmann, Unbranded. Fountain-pen.

• Patent n° US-1049465, of 1913-01-07, requested on 1912-01-18, of William F. Duryea, Salz. Self-filling pen.

• Patent n° US-1198994, of 1916-09-19, requested on 1916-06-29, of Claes W. Boman, Eagle. Fountain-pen.

• Patent n° US-1475954, of 1923-12-04, requested on 1923-02-10, of David Klein, Eclipse. Self-filling fountain pen.