Marker pens

Coating implements with material supply – Plural exposed tools each with individual supply – Side-by-side

Reexamination Certificate

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C401S034000, C401S198000

Reexamination Certificate

active

10513619

ABSTRACT:
A marker pen has a housing at one end of which protrudes a plurality of fluid retaining nibs each shaped to define along an upper surface a ridge. The nibs are positioned side-by-side with adjoining ends of neighbouring ridgees in contact or in close proximity todefine together a continuous (or substantially continuous) ridge. A coating of an impermeable material is applied to one or more of the nibs, or alternatively, one or more outer sheaths of impermeable material may be applied to one or more of the nibs toprevent or inhibit migration of dye from adjoining nibs.

REFERENCES:
patent: 3887287 (1975-06-01), Rosh, Jr.
patent: 4043682 (1977-08-01), McDaniel et al.
patent: 5388924 (1995-02-01), Chao
patent: 6554517 (2003-04-01), Ahmed

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