Protective cover for a sewer pipe flange

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Description

FIG. 1 is a perspective view of a protective cover for a sewer pipe flange showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof.

Referenced Cited
U.S. Patent Documents
D191184 August 1961 Scholz
D253369 November 6, 1979 Koelble et al.
2800242 July 1957 Sauthoff
3339215 September 1967 Flood
3418669 December 1968 Maxwell
3445973 May 1969 Stone
3846851 November 1974 Pepper
4052759 October 11, 1977 Hill
4090267 May 23, 1978 Cuschera
4212486 July 15, 1980 Logsdon
Patent History
Patent number: D260170
Type: Grant
Filed: Dec 26, 1978
Date of Patent: Aug 11, 1981
Assignee: Ken-Wall, Incorporated (Livonia, MI)
Inventor: Kenneth R. Cornwall (Livonia, MI)
Primary Examiner: James R. Largen
Attorney: Ian C. McLeod
Application Number: 5/973,379
Classifications
Current U.S. Class: D23/41; D23/69
International Classification: D2301;