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:
Feb. 16, 1999
Filed:
Apr. 04, 1997
Applicant:
Inventors:
Ronald F Overaker, Durham, NC (US);
Brian C Dodge, Hillsborough, NC (US);
David L Epstein, Bahama, NC (US);
Assignee:
Duke University, Durham, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
222212 ; 222422 ; 222484 ; 222536 ;
Abstract
A dispensing cap including a rotary valve communicating with an external open-ended dispensing tube portion, the valve being configured to communicate, in a venting position, with a venting pathway and to communicate, in a dispensing position, with an internal dispensing tube portion, wherein the valve is configured to pass from a closed position through a venting position to a dispensing position.