Stepped tile floor for a solid fuel boiler
The article in which the present design is embodied is a stepped tile floor for a solid fuel boiler, such as the one described in U.S. patent application Ser. No. 12/557,085 filed on Sep. 10, 2009, which is incorporated herein by reference. A solid fuel boiler may use one or more of sets of stepped tile flooring as shown herein.
The broken lines showing the frame for the stepped tile floor for a solid fuel boiler in
Claims
We claim the ornamental design for a stepped tile floor for a solid fuel boiler, as shown and described.
Type: Grant
Filed: Feb 28, 2011
Date of Patent: Jan 22, 2013
Inventors: Daniel Richard Higgins (Tigard, OR), Michael J. Kranda (Beaverton, OR)
Primary Examiner: Doris Clark
Application Number: 29/386,306