Cannula for withdrawing a test sample from a test tube
Broden September 18, 1
U.S. patent number D310,722 [Application Number 07/367,517] was granted by the patent office on 1990-09-18 for cannula for withdrawing a test sample from a test tube. Invention is credited to Bengt-Inge Broden.
| United States Patent | D310,722 |
| Broden | September 18, 1990 |
Cannula for withdrawing a test sample from a test tube
Claims
The ornamental design for a cannula for withdrawing a test sample from a test tube, as shown.
| Inventors: | Broden; Bengt-Inge (S-532 00 Skara, SE) |
|---|---|
| Appl. No.: | 07/367,517 |
| Filed: | June 16, 1989 |
Foreign Application Priority Data
| Dec 22, 1988 [SE] | 88-2956 | |||
| Current U.S. Class: | D24/222; D24/112 |
| Field of Search: | ;D24/51,59,24,25,29 ;128/760,763,770,765,766 ;604/8,174,180,280 |
References Cited [Referenced By]
U.S. Patent Documents
| 3608550 | September 1971 | Stawaki |
| 4368738 | January 1983 | Tersteegen et al. |
| 4653512 | March 1987 | Losada |
| 4690153 | September 1987 | Losada et al. |
| 4692156 | September 1987 | Haller |
| WO8705208 | Sep 1987 | SE | |||
Assistant Examiner: Reid; Stella M.
Attorney, Agent or Firm: Sughrue, Mion, Zinn, Macpeak & Seas
Description
FIG. 1 is a front, bottom perspective view of a cannula for withdrawing a test sample from a test tube, showing my new design, the cannula being symmetrical about its axis; and
FIG. 2 is a top, rear perspective view thereof.
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