Backing ring for a pipe coupling

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Information

Patent Grant
D284022

References
Source

Patent Number
D284,022
Date Filed
Friday, September 9, 1983
41 years ago
Date Issued
Tuesday, May 27, 1986
38 years ago

Inventors
- Laverne J. Milot
- Kenneth D. Werbowy
Original Assignees
- CANRON INC
Examiners
- Largen; James R.
Agents
- Schwartz, Jeffery, Schwaab, Mack, Blumenthal & Evans

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 40-46
- 285 337
- 285 413
- 285 417
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a backing ring for a pipe coupling, as shown and described.

Priority Claims (1)

Number	Date	Country	Kind
29-03-83-23	Mar 1983	CAX

US Referenced Citations (9)

Number	Name	Date	Kind
D16160	Crano	Jul 1885
D208388	Graham	Aug 1967
D240428	Hoffman	Jul 1976
1940729	Pfefferle	Dec 1933
2288904	Hudson	Jul 1942
2412487	Amley et al.	Dec 1946
2792240	Risley et al.	May 1957
3065000	Stanton	Nov 1962
3433509	Jeffery et al.	Mar 1969

Foreign Referenced Citations (1)

Number	Date	Country
981721	Jan 1976	CAX