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:
Apr. 02, 2002
Filed:
Mar. 09, 2000
Applicant:
Inventors:
Kenneth Rainin, Piedmont, CA (US);
William D. Homberg, Oakland, CA (US);
Assignee:
Rainin Instrument, Emeryville, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01L 3/02 ;
U.S. Cl.
CPC ...
B01L 3/02 ;
Abstract
A blowout springless manual air displacement pipette including a mechanical assist for generating a mechanical force opposing a return spring force on a plunger unit to aid a pipette user in locating and maintaining the plunger unit at a “home” position within a pipette body and ready for immersion of a pipette tip in a liquid to be drawn into the tip.