USD324421SExpiredUtility

Ventilation grill for windows

20
Assignee: VAN DER SLUIJS BEHEER B VPriority: Apr 20, 1990Filed: Oct 18, 1990Granted: Mar 3, 1992
Est. expiryApr 20, 2010(expired)· nominal 20-yr term from priority
Inventors:Willem D. Arbouw
20
PatentIndex Score
2
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a ventilation grill for windows, as shown.

Join the waitlist — get patent alerts

Track USD324421S — get alerts on status changes and closely related new filings.

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