USD252553SExpiredUtility

Surface-cleaning apparatus

Assignee: ARX AGPriority: Oct 8, 1976Filed: Jan 14, 1977Granted: Aug 7, 1979

Est. expiryOct 8, 1996(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 surface-cleaning apparatus, as shown and described.

Join the waitlist — get patent alerts

Track USD252553S — get alerts on status changes and closely related new filings.

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