Pipette tip
Williams August 2, 1
U.S. patent number D297,054 [Application Number 06/852,910] was granted by the patent office on 1988-08-02 for pipette tip. This patent grant is currently assigned to Cetus Corporation. Invention is credited to Fred G. Williams.
| United States Patent | D297,054 |
| Williams | August 2, 1988 |
Pipette tip
Claims
The ornamental design for a pipette tip, as shown and described.
| Inventors: | Williams; Fred G. (San Anselmo, CA) |
|---|---|
| Assignee: | Cetus Corporation (Emeryville,
CA) |
| Appl. No.: | 06/852,910 |
| Filed: | April 16, 1986 |
| Current U.S. Class: | D24/222; D24/112 |
| Field of Search: | ;D24/55 ;73/864.1,864.14,864.18 ;422/100 |
References Cited [Referenced By]
U.S. Patent Documents
| D228492 | October 1973 | Cohen |
| D252586 | August 1979 | Kovach |
Assistant Examiner: Reid; Stella M.
Attorney, Agent or Firm: Halluin; Albert P. Lauder; Leona L.
Description
FIG. 1 is a front perspective view of a pipette tip showing my new design;
FIG. 2 is a side elevational view thereof, the undisclosed sides being identical;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof; and
FIG. 5 is a cross-sectional view thereof, taken on line 5--5 of FIG. 4.
The characteristic feature of the design resides in the four concentric ridges found on the interior surface of the pipette tip immediately below and within the bell top as illustrated in FIGS. 1, 2 and 5 and the six vertical ribs evenly spaced along the bell top.
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