Pipe coupling

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Information

Patent Grant
D354801

References
Source

Patent Number
D354,801
Date Filed
Thursday, January 9, 1992
33 years ago
Date Issued
Tuesday, January 24, 1995
30 years ago

Inventors
- Alexander D. Grant
- Ronald A. Ireland
Original Assignees
- Hepworth Building Products Limited
Examiners
- Word; A. Hugo
- Watterson; Eric
Agents
- Rosen, Dainow & Jacobs

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 262
- D23 263
- D23 259
- 285 97
- 285 99
- 285 104
- 285 105
- 285 108
- 285 156
- Term of Grant
  14Years

Information

Abstract

Description

Claims

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

US Referenced Citations (5)

Number	Name	Date	Kind
459910	Hogan	Sep 1891
814217	Knight et al.	Mar 1906
2082611	Benge	Jun 1937
2309099	Crampton et al.	Jan 1943
2751237	Conley	Jun 1956

Foreign Referenced Citations (7)

Number	Date	Country
2032030		GBX
1175503	Dec 1969	GBX
1183881	Mar 1970	GBX
1520150	Aug 1975	GBX
2071798B	Aug 1983	GBX
2143603A	Feb 1985	GBX
2211506A	Jul 1989	GBX

Non-Patent Literature Citations (2)

Entry
Parker Hannifin Fluid Power Products Catalog, .COPYRGT.Nov. 1969, tube fittings, Braze-Lok item BJB union fee, p. 45.
Stewarts and Lloyds Plastics, "Sapphire" Push-Fit Connectors (Product Catalog) not dated.