USD353666SExpiredUtility

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

34
Assignee: ABB CARBON ABPriority: May 8, 1990Filed: Mar 17, 1993Granted: Dec 20, 1994
Est. expiryMay 8, 2010(expired)· nominal 20-yr term from priority
Inventors:Arne Jonsson
34
PatentIndex Score
2
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a tubing assembly unit for boilers for use in connection with combustion on pressurized fluidized bed, as shown and described.

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