Refractory tube

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Information

Patent Grant
D274912

References
Source

Patent Number
D274,912
Date Filed
Thursday, January 7, 1982
43 years ago
Date Issued
Tuesday, July 31, 1984
40 years ago

Inventors
- Gary F. English
- Donald E. Wiley
Original Assignees
- FOSECO TRADING A.G
Examiners
- Bullock; B. J.
Agents
- Cushman, Darby & Cushman

US Classifications
- D15 - Machines not elsewhere specified
Field of Search
- US
- D15 135
- D15 136
- 222 605
- 266 275
- 266 283
- 266 286
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a refractory tube, substantially as shown and described.

Priority Claims (1)

Number	Date	Country	Kind
1001645	Jul 1981	GBX

US Referenced Citations (3)

Number	Name	Date	Kind
553055	Coughlin	Jan 1896
1873549	Coffey	Aug 1932
2447747	Goldberg	Aug 1948

Foreign Referenced Citations (1)

Number	Date	Country
898809	Jun 1962	GBX