Pen and integral capillary store
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 26, 1981
Grant Date -
N/A
app pub date -
Apr 30, 1979
filing date -
May 2, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A writing pen comprises a capillary store for storing and delivering writing liquid and a writing point connected to the store. The writing point and the store consist of the same material and form a single unit which has a stable shape at least in relation to the forces occurring during writing. The strength of the material in the store section being substantially equal to or greater than that in the writing point section.
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