Combined plunger and plunger rod assembly for a syringe

- Bracco Research USA
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Description

FIG. 1 is a perspective view of a combined plunger and plunger rod assembly for a syringe;

FIG. 2 is a side elevational view thereof, all sides being equal;

FIG. 3 is a bottom plan view thereof; and,

FIG. 4 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D203730 February 1966 Coanda
D287053 December 2, 1986 Bucchianeri et al.
2869541 January 1959 Helmer et al.
3253592 May 1966 Peachmann
3758006 September 1973 Gravlee
3834387 September 1974 Bown
4011868 March 15, 1977 Friend
4543093 September 24, 1985 Christinger
4936315 June 26, 1990 Lineback
5026356 June 25, 1991 Smith
5102388 April 7, 1992 Richmond
5135511 August 4, 1992 Houghton et al.
5205825 April 27, 1993 Allison et al.
5222944 June 29, 1993 Harris
5259840 November 9, 1993 Boris
5282792 February 1, 1994 Imbert
5314415 May 24, 1994 Liebert et al.
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5411488 May 2, 1995 Pagay et al.
Patent History
Patent number: D403762
Type: Grant
Filed: Dec 24, 1997
Date of Patent: Jan 5, 1999
Assignee: Bracco Research USA (Princeton, NJ)
Inventors: Mark E. Gabbard (Salisbury, MD), Timothy J. Gabbard (Salisbury, MD), John J. Niedospial, Jr. (Burlington, NJ)
Primary Examiner: Freda Nunn
Assistant Examiner: Cynthia E. Ramirez
Attorney: Imre Balogh
Application Number: 0/81,186