Aspirator tube

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Description

FIG. 1 is a bottom plan view of an aspirator tube, showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an end view as seen from the upper end of FIG. 1;

FIG. 4 is a cross section taken on line IV--IV of FIG. 2; and

FIG. 5 is an end perspective view as seen from the lower end of FIG. 1 with portions fragmentarily shown for ease of illustration.

The characteristic features of my design reside in the specific configuration of the distal end portion of the tube and the flared coupling at the proximal end, as best illustrated in FIGS. 1 and 2 of the drawing.

Referenced Cited
U.S. Patent Documents
D235172 May 1975 Boone
3114373 December 1963 Andersen
3599641 August 1971 Sheridan
3788328 January 1974 Alley et al.
4073287 February 14, 1978 Bradley et al.
Other references
  • National Catheter Corp. "Ventrol Levin Tube, Catalog", .COPYRGT.1974, p. 16. National Catheter Corp. "Ventrol Levin Tube, Brochure", .COPYRGT.1974, cover page.
Patent History
Patent number: D258688
Type: Grant
Filed: Dec 12, 1977
Date of Patent: Mar 24, 1981
Inventor: Joseph Hodge (Spartanburg, SC)
Primary Examiner: Bernard Ansher
Attorney: Wellington M. Manning, Jr.
Application Number: 5/859,964
Classifications
Current U.S. Class: D24/54
International Classification: D2404;