Handicap-facilitative stairs for an in-ground storm shelter
Description
Claims
I claim the ornamental design for handicap-facilitative stairs for an in-ground storm shelter, as shown.
Referenced Cited
U.S. Patent Documents
3720024 | March 1973 | Theisen |
D481467 | October 28, 2003 | Brice |
D698463 | January 28, 2014 | Porter |
20080115429 | May 22, 2008 | Zirbel |
20130199874 | August 8, 2013 | Davis, Jr. |
Patent History
Patent number: D746485
Type: Grant
Filed: May 20, 2014
Date of Patent: Dec 29, 2015
Inventor: Jerry Wirtz (Ponca City, OK)
Primary Examiner: Doris Clark
Application Number: 29/491,341
Type: Grant
Filed: May 20, 2014
Date of Patent: Dec 29, 2015
Inventor: Jerry Wirtz (Ponca City, OK)
Primary Examiner: Doris Clark
Application Number: 29/491,341
Classifications
Current U.S. Class:
Stepped (12) (D25/63)