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:
Mar. 26, 1991
Filed:
Nov. 15, 1988
Applicant:
Inventor:
Jukka Tervamaki, Helsinki, FI;
Assignee:
Labsystems Oy, Helsinki, FI;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01L / ;
U.S. Cl.
CPC ...
422100 ; 7386413 ; 7386418 ; 222 43 ; 222 63 ; 222386 ; 222390 ;
Abstract
The invention relates to an electrically operable pipette comprising a body member with upper and lower portions and a removable flanged cylinder assembly coupled to the lower portion of the body member via its flange. The cylinder assembly has confined in it, a piston which is vertically displaced by a motor confined in the body member, an adjustable limiter being provided for varying the stroke length of the piston and hence the volume of liquid displaced.