Multistage pipet
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Description
FIG. 1 is a front perspective view of the multistage pipet;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a top plan view with all the sides being a mirror image of one another;
FIG. 4 is a left end elevational view thereof; and,
FIG. 5 is a right end elevational view thereof.
Referenced Cited
U.S. Patent Documents
| RE31555 | April 17, 1984 | Garren et al. |
| D228492 | October 1973 | Cohen |
| D260554 | September 1, 1981 | Roach |
| D303151 | August 29, 1989 | Saint-Amand |
| D333705 | March 2, 1993 | Garren et al. |
| D357324 | April 11, 1995 | Bartal |
| D373827 | September 17, 1996 | Polaniec |
| 898456 | September 1908 | Farnham |
| 4210156 | July 1, 1980 | Bennett |
| 5272926 | December 28, 1993 | Wilkins |
| 5516564 | May 14, 1996 | Root et al. |
Patent History
Patent number: D401698
Type: Grant
Filed: Jan 31, 1997
Date of Patent: Nov 24, 1998
Assignee: Becton Dickinson and Company (Franklin Lakes, NJ)
Inventor: Michael Daniels (Denville, NJ)
Primary Examiner: Stella Reid
Assistant Examiner: G. Andoll
Attorneys: Nanette S. Thomas, Bruce S Weintraub
Application Number: 0/68,101
Type: Grant
Filed: Jan 31, 1997
Date of Patent: Nov 24, 1998
Assignee: Becton Dickinson and Company (Franklin Lakes, NJ)
Inventor: Michael Daniels (Denville, NJ)
Primary Examiner: Stella Reid
Assistant Examiner: G. Andoll
Attorneys: Nanette S. Thomas, Bruce S Weintraub
Application Number: 0/68,101
Classifications
