USD254749SExpiredUtility

Stoker apparatus for heating boilers

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Assignee: JOHANSSON SJUNNEPriority: Dec 21, 1977Filed: Dec 21, 1977Granted: Apr 15, 1980
Est. expiryDec 21, 1997(expired)· nominal 20-yr term from priority
Inventors:Sjunne Johansson
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PatentIndex Score
1
Cited by
0
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a stoker apparatus for heating boilers, substantially as shown and described.

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