USD242856SExpiredUtility
Controlled reluctance microphone display
Individually held — no corporate assignee on recordPriority: Oct 15, 1974Filed: Oct 15, 1974Granted: Dec 28, 1976
Est. expiryOct 15, 1994(expired)· nominal 20-yr term from priority
Inventors:Jack N. Holcomb
30
PatentIndex Score
0
Cited by
2
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a controlled reluctance microphone educational board, as shown.
Join the waitlist — get patent alerts
Track USD242856S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.