Tubing assembly unit for boilers for use in connection with combustion on pressurized fluidized beds

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Information

Patent Grant
D353666

References
Source

Patent Number
D353,666
Date Filed
Wednesday, March 17, 1993
31 years ago
Date Issued
Tuesday, December 20, 1994
30 years ago

Inventors
- Arne Jonsson
Original Assignees
- ABB Carbon AB
Examiners
- Lichtenstein; Lisa P.
Agents
- Lerner; Marshall A.

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- 122 4 D
- D23 386
- D23 314
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a tubing assembly unit for boilers for use in connection with combustion on pressurized fluidized bed, as shown and described.

Priority Claims (1)

Number	Date	Country	Kind
90-1051	May 1990	SEX

US Referenced Citations (4)

Number	Name	Date	Kind
4211186	Pearce	Jul 1980
4357907	Campbell	Nov 1982
4770128	McDonald et al.	Sep 1988
4790267	Mollenhoff	Dec 1988

Continuation in Parts (1)

	Number	Date	Country
Parent	610996	Nov 1990