Ball point tip and writing instrument fitted with such a ball point tip

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12220938
SERIAL NO

17600783

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A ball point tip comprising a ball holder having an ink conduit and a ball house, a ball accommodated into the ball house and a leaf spring axially disposed between the ball and an axial end of the ink conduit, the leaf spring having a main body and a plurality of tongues extending radially from the main body, ink passages being formed between the tongues in order to fluidly connect the ink conduit and the ball house, wherein the ball holder and the leaf spring are made of plastic and unitary formed.

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Patent Owner(s)

  • SOCIÉTÉ BIC

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boura, Jean-Baptiste Clichy, FR 1 0

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