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. 23, 1993
Filed:
Nov. 06, 1990
Applicant:
Inventors:
Robert G Rani, Roseville, MN (US);
Douglas E Hahn, Plymouth, MN (US);
Assignee:
Sandoz Ltd., Basel, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
604405 ; 604415 ; 604411 ; 215248 ; 215250 ; 215261 ;
Abstract
A closure device for connection to a fluid container which has an opening for receiving the device. The closure device has a base section which may sealably cover the container opening. The base section has a spike receiving opening passing there through with at least one air vent on the base section which is spaced from the spike receiving opening. A hydrophobic air filter, is associated with the air vent. Adjoining the base section is an internal cover, which lies over the aperture, covering it and the base section. The internal cover has a pierceable portion which is in alignment with the spike receiving opening of the base section.