USD278984SExpiredUtility

Portable circuit tester

Assignee: ROBERTS SR JOSEPH MPriority: Jul 16, 1982Filed: Jul 16, 1982Granted: May 28, 1985

Est. expiryJul 16, 2002(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 portable circuit tester, as shown and described.

Join the waitlist — get patent alerts

Track USD278984S — get alerts on status changes and closely related new filings.

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