WRITING INSTRUMENT
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United States of America Patent
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Issued Date -
Nov 24, 2022
app pub date -
May 16, 2022
filing date -
May 16, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A writing tip assembly for dispensing a free-flowing low-viscosity ink from a writing instrument may include a micro-spring, a writing ball configured to transfer ink to a substrate, and a second ball between the writing ball and the micro-spring. The second ball is configured to transfer ink to the writing ball. A writing instrument for dispensing a free-flowing low-viscosity ink includes an ink reservoir, the writing tip assembly, and a feeder fluidically coupling the ink reservoir to the writing tip assembly.
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