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US 11,529,824 B2Granted
Pen with multiple colors
AssigneeSociete BIC
InventorsDavid Michael Duffy, Bernadette Elliott-Bowman
Life of this patent
Estimating the term…
Abstract
A writing instrument, in particular a pen, comprising at least two reservoirs for storing colorants or inks of at least two different colors, characterized by at least one pumping means which is designed to be actuated by at least one finger of a user.
Claims20
A writing instrument, comprising:
- at least two reservoirs for storing colorants or inks of at least two different colors;
- at least two pumps, wherein each of the at least two reservoirs is coupled to at least one of the two pumps, wherein each pump is designed to be actuated by at least one finger of a user;
- and
- buttons or finger actuation areas;
- wherein at least part of these buttons or finger actuation areas are designed to actuate two or more pumps by the force or pressure applied by a single finger.
2 more elements
A writing instrument comprising at least two reservoirs for storing colorants or inks of at least two different colors,
- characterized by at least two pumps which are designed to increase the pressure in the reservoirs, wherein the writing instrument is a pen,
- wherein the pen further comprises buttons or finger actuation areas and at least part of the buttons or finger actuation areas are designed to actuate two or more pumps by the force or pressure applied by a single finger.
Dependencies are inferred from the claim text.