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

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Information

Patent Grant
D358879

References
Source

Patent Number
D358,879
Date Filed
Monday, March 22, 1993
31 years ago
Date Issued
Tuesday, May 30, 1995
29 years ago

Inventors
- Sven-Olov Ostman
Original Assignees
- ABB Carbon AB
Examiners
- Lichtenstein; Lisa P.
Agents
- Lerner; Marshall A.

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 386
- D23 314
- 122 4 D
- 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 beds, as shown.

Priority Claims (1)

Number	Date	Country	Kind
90-1013	May 1990	SEX

US Referenced Citations (5)

Number	Name	Date	Kind
D280545	Fukumoto	Sep 1985
D280547	Fukumoto	Sep 1985
4357907	Campbell	Nov 1982
4770128	McDonald et al.	Sep 1988
4790267	Mollenhoff	Dec 1988

Continuation in Parts (1)

	Number	Date	Country
Parent	610265	Nov 1990