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:
Nov. 18, 2025
Filed:
Jan. 25, 2021
Aptar France Sas, Le Neubourg, FR;
Francois Le Maner, La Vallee Montaure, FR;
APTAR FRANCE SAS, Le Neubourg, FR;
Abstract
A fluid dispensing device having an air expulsion system () with a pump () with an external body () containing a pump body () with a pumping chamber () and a piston rod (). The pump body has a proximal hollow body and a distal hollow body fixed to one another. The rod has a proximal rod part (), a central rod part () and a distal rod part (), the outside diameter of the central rod part () greater than the diameters of the other two. The central rod part supports a first seal () and a second seal (), and the distal rod part supports a third seal (). The proximal rod part has a central passage () extending beyond the first seal and opens laterally to the outside between the first and second seals. The distal hollow body contains a spring.