USD255904SExpiredUtility

Piano keyboard level adjusting bar

17
Assignee: THERRIEN GILLESPriority: Oct 20, 1977Filed: Oct 20, 1977Granted: Jul 15, 1980
Est. expiryOct 20, 1997(expired)· nominal 20-yr term from priority
Inventors:Gilles Therrien
17
PatentIndex Score
2
Cited by
3
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a piano keyboard level adjusting bar, substantially as shown and described.

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