Plungerless syringe

- Vital Signs, Inc
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 thereto, 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: D430664
Type: Grant
Filed: Jan 15, 1999
Date of Patent: Sep 5, 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: 0/99,265
Classifications
Current U.S. Class: Resilient (e.g., Squeeze Bulb, Bellows, Etc.) (9) (D24/115)
International Classification: 2402;