Pipette tip

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Description

FIG. 1 is a perspective view taken from the top of the pipette tip showing my new design;

FIG. 2 is a perspective view taken from the bottom thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D255601 June 24, 1980 De Vaughn
3205711 September 1965 Harris
3355950 December 1967 Harris, Sr.
4483825 November 20, 1984 Fatches
5232669 August 3, 1993 Pardinas
Other references
  • Cole-Parmer Instrument Company, p. 242, Gilmont digital micrometer syringes--burette tip, upper right quadrant of page, Dec. 1990. Cole-Parmer Instrunent Company, p. 242, Gilmont micrometer syringes and burettes, upper left quadrant of the page, Dec. 1990. Cole-Parmer Instrument Company, pp. 236-237, Cole-Parmer refrence pipette tips, items A-D, Dec. 1990. Cole-Parmer Instrument Company, p. 232, Eppendorf pipettors, tips and stands, item A, Fixed volume pipettors, Dec. 1990.
Patent History
Patent number: D414562
Type: Grant
Filed: Dec 8, 1997
Date of Patent: Sep 28, 1999
Assignee: Precision System Science Co., Ltd. (Tokyo)
Inventor: Hideji Tajima (Inagi)
Primary Examiner: Louis S. Zarfas
Assistant Examiner: G. Andoll
Law Firm: Haynes and Boone, L.L.P.
Application Number: 0/80,409
Classifications
Current U.S. Class: Pipette Or Burette (D24/222)
International Classification: 2402;