Plungerless syringe

- Vital Signs, Inc
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Description

FIG. 1 is a front elevational view of a plungerless syringe showing my new design, the rear elevational view being a mirror image thereto;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof; and

FIG. 4 is a right side elevational view thereof, the left side elevational view being a mirror image thereto

FIG. 5 is a front elevational view of a second embodiment of a plungerless syringe showing my new design, the rear elevational view being a mirror image thereto;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a right side elevational view thereof, the left side elevational view being a mirror image thereto.

Referenced Cited
U.S. Patent Documents
D191481 October 1961 Conley
D398838 September 29, 1998 Nielsen
2667872 February 1954 Smith
2688963 September 1954 Smith
5121856 June 16, 1992 Weiler et al.
Patent History
Patent number: D434143
Type: Grant
Filed: Jun 6, 2000
Date of Patent: Nov 21, 2000
Assignee: Vital Signs, Inc (Totawa, NJ)
Inventor: Richard Q. Poynter (Palm Beach Gardens, FL)
Primary Examiner: Ian Simmons
Attorney: R. Gale Rhodes, Jr.
Application Number: 0/124,456
Classifications
Current U.S. Class: Resilient (e.g., Squeeze Bulb, Bellows, Etc.) (9) (D24/115)
International Classification: 2402;