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.

Date of Patent:
Dec. 15, 1992

Filed:

Nov. 12, 1991
Applicant:
Inventor:

Gunter Holzner, Grand-Lancy, CH;

Assignee:

Firmenich S.A., Geneva, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F17G / ;
U.S. Cl.
CPC ...
206-05 ; 2065248 ; 206823 ; 239 55 ;
Abstract

A package consisting of a hermetically sealed ensemble in plastic material, under vacuum, intended for containing devices for perfuming or purifying ambient air or closed spaces, said devices having a wall of polymeric material for diffusing active odoriferous substances, the package being characterized in that said devices therein-contained are joined side by side by superposition, under subatmospheric pressure, of the surfaces of their diffusion walls.


Find Patent Forward Citations

Loading…