USD486917SExpiredUtility

Double window testing device

Assignee: LIFESIGNPriority: Nov 18, 2002Filed: Nov 18, 2002Granted: Feb 17, 2004

Est. expiryNov 18, 2022(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 double window testing device, as shown and described.

Join the waitlist — get patent alerts

Track USD486917S — get alerts on status changes and closely related new filings.

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