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:
May. 12, 1987
Filed:
Dec. 09, 1985
John D Bryson, Milwaukee, WI (US);
Vaportek, Inc., Milwaukee, WI (US);
Abstract
A dispensing apparatus comprising a container defining a chamber adapted to contain a substance to be dispensed into the atmosphere, the container including a first surface having therein a first opening communicating with the chamber, a plate member including a second surface and being secured to the container with the second surface facing and spaced from the first surface, and a valve plate including a second opening and being trapped between the first and second surfaces in sliding relation thereto for movement between a first position wherein the valve plate closes the first opening and a second position wherein the second opening is aligned with the first opening to permit the chamber to communicate with the atmosphere.