Single sample processor syringe for solid phase extraction tubes

- Supelco, Inc.
Description

FIG. 1 is a front elevational view of a single sample processor syringe for solid phase extraction tubes, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view thereof, the opposite side elevational view being identical thereto;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
RE27637 May 1973 Roach
3449081 June 1969 Hughes
4248830 February 3, 1981 Kallies et al.
4483825 November 20, 1984 Fatches
4749658 June 7, 1988 Jaekel et al.
4753775 June 28, 1988 Ebersole et al.
Patent History
Patent number: D319879
Type: Grant
Filed: Dec 16, 1987
Date of Patent: Sep 10, 1991
Assignee: Supelco, Inc. (Bellefonte, PA)
Inventors: George D. Wachob (State College, PA), Brian R. Lowery (Julian, PA)
Primary Examiner: Stella Reid
Attorney: John E. Taylor, III
Application Number: 7/133,694