The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 02, 2019
Filed:
Mar. 31, 2017
Sanford L.p., Downers Grove, IL (US);
Daniel Francis Debartolo, Jr., Chicago, IL (US);
Wing Sum Vincent Kwan, Chicago, IL (US);
Bret R. Marschand, Glen Ellyn, IL (US);
Ismail Akram, Cambridge, GB;
Aidan P. Craigwood, Cambridge, GB;
Kathrin Julia Holtzmann, Cambourne, GB;
Stephen Sams, Bassingbourn, GB;
Jim Bedolla, Downers Grove, IL (US);
Sanford, L.P., Atlanta, GA (US);
Abstract
Delivery systems for delivering compositions with large particles are disclosed herein. For example, writing instrument capable of delivering ink with large pigment particles can include a barrel, an ink reservoir in fluid communication with a nib, and one or more valves or seals for sealing the reservoir when not in use. For example, the writing instrument can include a free-ink reservoir having an agitator disposed on a valve stem.