USD506298SExpiredUtility
Suction unit for a central vacuum cleaner
Priority: Nov 20, 2003Filed: Nov 20, 2003Granted: Jun 14, 2005
Est. expiryNov 20, 2023(expired)· nominal 20-yr term from priority
Inventors:Robert L. Schmitt
70
PatentIndex Score
17
Cited by
13
References
1
Claims
Claims
exact text as granted — not AI-modifiedI claim the ornamental design for a suction unit for a central vacuum cleaner, as shown and described.
Join the waitlist — get patent alerts
Track USD506298S — get alerts on status changes and closely related new filings.
We store only your email — no account needed. See our privacy policy.