Patents by Inventor Maffei Camilla

Maffei Camilla has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Bottle stopper having a device for drawing up metered amounts of the liquid contained in said bottle
    Patent number: 6112779
    Abstract: The capsule (11), which can be screwed onto the threaded neck (3) of the bottle, coaxially forms the cylinder (15) of the syringe device; an element (21) inside the capsule (11) and surrounding the cylinder (15) forms an annular leaktight seal (21A) which can be tightened onto the edge (3B) of the neck (3) and fits inside the bottle neck by means of a shaped extension piece (21B); said element (21) accommodates, via a central hole, the cylinder (15) of the syringe device and surrounds it with an annular lip (21C) which extends toward the center of the bottle so as to wipe the outer surface of the cylinder as the capsule is fitted with a safety cap (29) and a seal (33).
    Type: Grant
    Filed: November 1, 1999
    Date of Patent: September 5, 2000
    Assignee: Project s.a.s.di Massimo Menichelli & C.
    Inventor: Maffei Camilla