Combined vacuum curettage vessel and valve closure therefor

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Description

FIG. 1 is a front perspective view of a combined vacuum curettage vessel and valve closure therefor, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a left elevation thereof; and

FIG. 6 is a right elevation thereof.

The broken lines representing the cannula element is shown for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
3863624 February 1975 Gram
3889682 June 1975 Denis et al.
3939835 February 24, 1976 Bridgman
3946739 March 30, 1976 Berman et al.
Patent History
Patent number: D244719
Type: Grant
Filed: Dec 11, 1975
Date of Patent: Jun 14, 1977
Assignee: Ryder International Corporation (Schaumburg, IL)
Inventors: Michael D. Thomas (Elmhurst, IL), Francis E. Ryder (Barrington, IL)
Primary Examiner: Bernard Ansher
Attorney: Richard R. Trexler
Application Number: 5/639,648
Classifications
Current U.S. Class: D24/28
International Classification: D2404;