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. 16, 2001
Filed:
Aug. 30, 2000
Philippe Bonningue, Paris, FR;
L'Oreal, Paris, FR;
Abstract
The invention relates to a pump (,) comprising a base part (,) and a telescopic assembly (,) defining a pumping chamber (,). The telescopic assembly comprises at least one outer sleeve (,) and an inner sleeve sliding inside it. The telescopic assembly (,) is arranged in such a way that, on the one hand, when the outer sleeve (,) is moved to reduce the volume of the pumping chamber, the assembly adopts a dispensing configuration and shut-off means (,) shut off the filling orifice (,) and, on the other hand, when the outer sleeve is moved to increase the volume of the pumping chamber, the telescopic assembly adopts its filling configuration and the shut-off means (,) cease to shut off the filling orifice (,).