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:
Feb. 05, 2002
Filed:
Nov. 21, 2000
Jack Yongfeng Zhang, So. El Monte, CA (US);
Frank Zhishi Xia, So. El Monte, CA (US);
Mary Ziping Luo, So. El Monte, CA (US);
Other;
Abstract
A pre-filled disposable pipette for pharmaceutical and cosmetic products which has a hollow, round pipette body ( ). The body consists of a hollow, rigid bulb section ( ) forming a reservoir for storage and dispersion of the liquid pharmaceutical or cosmetic product which is pre-filled within the body. The body ( ) further includes a hollow tubular section ( ) that is smaller in diameter and contiguous with the bulb section, for ease of handling the pipette. The preferred embodiment has a hollow, frangible upper tube ( ) with a distal end that is sealed for introducing air into the body ( ) when the seal is broken, thus releasing the liquid from the tubular section. The liquid is dispensed from the body by breaking the upper tube allowing air to enter the pipette with the liquid flowing by gravity. The second embodiment has a resilient bulb section and omits the upper tube. A tapered section ( ) is added to the tubular section, with a hollow tip ( ) on the end. The liquid is dispensed from the body ( ) by squeezing the bulb. A seal is in contact with the hollow tubular section, or tip, for retaining the liquid within the body and storage, consisting of either a liquid seal ( ) or a resilient cap ( ).