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:
Sep. 24, 2002
Filed:
Jul. 17, 2001
Applicant:
Inventor:
Philip A. Jinks, Loughborough, GB;
Assignee:
3M Innovative Properties Companies, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65D 8/314 ;
U.S. Cl.
CPC ...
B65D 8/314 ;
Abstract
A metered dose aerosol valve that minimizes loss of prime and loss of drug dose by having a one-way valve mechanism positioned toward the end of a transfer passage that allows drug substance to pass from the aerosol container into the metering chamber, but not back.