USD415289SExpiredUtility

Stair tread surface

Assignee: WOOSTER PRODUCTS INCPriority: Mar 26, 1997Filed: Mar 26, 1997Granted: Oct 12, 1999

Est. expiryMar 26, 2017(expired)· nominal 20-yr term from priority

PatentIndex Score

Cited by

References

Claims

exact text as granted — not AI-modified

The ornamental design of a stair tread surface, as shown and described.

Join the waitlist — get patent alerts

Track USD415289S — get alerts on status changes and closely related new filings.

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