Ballpoint pen
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Mar 3, 2020
Grant Date -
Nov 8, 2018
app pub date -
Nov 9, 2016
filing date -
Nov 9, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A ballpoint pen is provided in which the width of the drawing line can be changed, wherein responsiveness can be improved when distinguishing between drawing thin lines and thick lines. A ballpoint pen 1 provided at the pen tip side with a first writing part having a writing ball 25, wherein the ballpoint pen 1 is characterized by being provided with a writing part at the pen tip side with which it is possible to write a thicker line than the line written with the first writing part, only the first writing part being used when the writing weight is 1 g and the writing angle is 90°, and the second writing part being used when the writing weight is 200 g, and the writing angle is 40-90°.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully