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Publication numberUSD203730 S
Publication typeGrant
Publication dateFeb 8, 1966
Filing dateOct 26, 1964
Publication numberUS D203730 S, US D203730S, US-S-D203730, USD203730 S, USD203730S
InventorsGeorge Coanda
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Medical hypodermic syringe piston
US D203730 S
Abstract  available in
Previous page
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Claims  available in
Description  (OCR text may contain errors)

United States Patent Ofifice 203,73

Patented Feb. 8, 1966 MEDICAL HYPODERMIC SYRINGE PISTON George Coanda, 337 W. Elk, Glendale, Calif.

Filed Oct. 26, 1964, Ser. No. 82,325

Term of patent 14 years (Cl. D83-12) i Y ,4 I 2 FIG. p 2 '/'-'T ,1 L

'j. I, s 4 i 4 4 FIG. 2. FIG. 3.

l v n v' d FIGURE 1 is a perspective view of this1 rnedical hypo- References Cited by the Examiner erm1c synnge piston s owing my new esign;

FIGURE 2 is a front elevational view of the medical UNITED STATES PATENTS hypodermic syringe piston; 2,574,964 11/ 1951 Elsenstark 128-218 FIGURE 3 is a rear elevational view of the medical 2369541 1/ 1959 lm r et a1. hypodermic yringe piston; a d Eschmann.

FIGURE 4 is a cross-sectional side elevational view 3,028,862 4/ 1962 t r 128-218 of the medical hypodermic syringe piston. OTHER REFERENCES The dotted line showing of the plunger handle associated with the medical hypodermic syringe piston is for illustrative purposes only.

I claim:

The ornamental design for a medical hypodermic WALLACE BURKE Primary Exammersyringe piston, as shown and described. BERNARD ANSHER, Assistant Examiner.

V. Mueller and Co., 1963, page 731, disposable syringe.

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US9642969Mar 28, 2012May 9, 2017Becton, Dickinson And CompanyPlastic stopper
US9744305Nov 2, 2015Aug 29, 2017Bayer Healthcare LlcQuick release plunger
US20080306424 *Jun 8, 2007Dec 11, 2008Smiths Medical Asd, Inc.Flow-Through Fluid Reservoir