USD312818SExpiredUtility

Extension cord locking device

Assignee: BAYAT BIJANPriority: Jul 24, 1987Filed: Jul 24, 1987Granted: Dec 11, 1990

Est. expiryJul 24, 2007(expired)· nominal 20-yr term from priority

PatentIndex Score

Cited by

References

Claims

exact text as granted — not AI-modified

The ornamental design for an extension cord locking device, as shown.

Join the waitlist — get patent alerts

Track USD312818S — get alerts on status changes and closely related new filings.

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