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
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|
|
|
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Dec 22, 1988 [SE] |
|
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88-2956 |
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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
Foreign Patent Documents
Primary Examiner: Word; A. Hugo
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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