Stair tread
Description
Claims
The ornamental design for a stair tread, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
| D22894 | November 1893 | Taylor |
| 718821 | January 1903 | Cooper |
| D167994 | October 1952 | McKay |
| 5357724 | October 25, 1994 | Sonoda |
| 5475951 | December 19, 1995 | Litzow |
| D389588 | January 20, 1998 | Dunk |
| 5787674 | August 4, 1998 | Nelson |
| 5806253 | September 15, 1998 | Nelson |
| 6073408 | June 13, 2000 | Winer et al. |
| 6115975 | September 12, 2000 | Abdollahi |
| 6230454 | May 15, 2001 | Meagher |
| 6960273 | November 1, 2005 | Jung |
| 20030182880 | October 2, 2003 | Weaber et al. |
- NUSTAIR Stair Refacing System, Ideal Stair Parts, Little Falls, NY, Apr. 7, 2010.
Patent History
Patent number: D661816
Type: Grant
Filed: Jan 4, 2011
Date of Patent: Jun 12, 2012
Inventor: Robert H. Young (Beaver Dam, KY)
Primary Examiner: Doris Clark
Attorney: Berenato & White, LLC
Application Number: 29/382,436
Type: Grant
Filed: Jan 4, 2011
Date of Patent: Jun 12, 2012
Inventor: Robert H. Young (Beaver Dam, KY)
Primary Examiner: Doris Clark
Attorney: Berenato & White, LLC
Application Number: 29/382,436
Classifications
Current U.S. Class:
Stair Tread, Step Or Ladder Rung (D25/69)