Birthing-assistance vacuum bell

- Lawrence Smith

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Description

FIG. 1 is a front perspective view of a birthing-assistance vacuum bell, showing our new design;

FIG. 2 is a left side elevational view of the vacuum bell; the right side elevational view is substantially a mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; the bottom plan view is substantially identical.

Referenced Cited
U.S. Patent Documents
3202152 August 1965 Wood et al.
3592198 July 1971 Evans
3765408 October 1973 Kawai
3794044 February 1974 Vennard et al.
Patent History
Patent number: D320855
Type: Grant
Filed: Mar 27, 1989
Date of Patent: Oct 15, 1991
Assignees: Lawrence Smith (Bend, OR), Emily Smith (Bend, OR)
Inventors: Lawrence M. Smith (Bend, OR), Richard N. Cooper (Lake Oswego, OR)
Primary Examiner: Stella Reid
Law Firm: Marger, Johnson, McCollom & Stolowitz Inc.
Application Number: 7/329,420
Classifications
Current U.S. Class: Hand Manipulated Tool Or Instrument (23) (D24/133)