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:
Oct. 31, 2000
Filed:
Dec. 19, 1997
Applicant:
Inventor:
Michael Trevor Shepherd, Quorn, GB;
Assignee:
Fisons Limited, Kent, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M / ;
U.S. Cl.
CPC ...
12820315 ; 12820312 ;
Abstract
An inhalation device comprising a chamber having an inlet and an outlet; and an active substance reservoir, wherein the device further includes vacuum means for forming a vacuum in the chamber and valve means arranged to release the vacuum, so that the substance contained in the reservoir is dispersed in the chamber on release of the vacuum.