Insulating riser sleeve

- Foseco Trading AG
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Description

FIG. 1 is a side elevational view of an insulating riser sleeve showing my new design;

FIG. 2 is a longitudinal sectional view taken in the direction of the arrows in line 2--2 of FIG. 3;

FIG. 3 is a top plan view thereof; and

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
3513904 May 1970 Lane
3815665 June 1974 Baur
Foreign Patent Documents
2334501 March 1975 DEX
2428885 January 1976 DEX
Other references
  • Kalmin and Kalminex Brochure by Foseco Ltd., pub. 6/1973, p. 4, Domed Riser, (top of page).
Patent History
Patent number: D266567
Type: Grant
Filed: Apr 12, 1979
Date of Patent: Oct 19, 1982
Assignee: Foseco Trading AG (Chur)
Inventor: Nick Wukovich (North Olmstead, OH)
Primary Examiner: B. J. Bullock
Law Firm: Cushman, Darby & Cushman
Application Number: 6/29,472
Classifications
Current U.S. Class: Molding Or Casting (D15/135)
International Classification: D1509;