USD253468SExpiredUtility

Microphone

Assignee: THE ASTATIC CORPPriority: Jun 15, 1978Filed: Jun 15, 1978Granted: Nov 20, 1979

Est. expiryJun 15, 1998(expired)· nominal 20-yr term from priority

PatentIndex Score

Cited by

References

Claims

exact text as granted — not AI-modified

The ornamental design for a microphone, substantially as shown and described.

Join the waitlist — get patent alerts

Track USD253468S — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.