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:
Mar. 09, 1982
Filed:
Jan. 09, 1979
Applicant:
Inventor:
Edward Bok, Badhoevedorp N.H., NL;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B43K / ;
U.S. Cl.
CPC ...
401151 ;
Abstract
An ink pen has master and slave ink reservoirs and an ink lock communicating with one or more capillary buffer channels inside the master reservoir and preventing air flow to the slave reservoir.