The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 25, 2023

Filed:

May. 26, 2021
Applicant:

Zamma Corporation, Inc., Orange, VA (US);

Inventors:

William Bremer, Keswick, VA (US);

Nathan R. Werkheiser, Salmon, ID (US);

Nicholas D. Buser, Charlottesville, VA (US);

Russell W. Marks, Palmyra, VA (US);

Assignee:

Zamma Corporation, Inc., Orange, VA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04F 11/17 (2006.01); E04F 11/16 (2006.01);
U.S. Cl.
CPC ...
E04F 11/17 (2013.01); E04F 11/163 (2013.01); E04F 11/175 (2013.01);
Abstract

A capping apparatus for covering a pre-existing stair structure can include: a tread element; and a trim piece attached to the tread element proximate a longitudinal edge of the tread element. The trim piece includes a back surface defining: a first recess for receiving a thick sub-tread for a first type of pre-existing stair structure; and a second recess for receiving a thin sub-tread for a second type of pre-existing stair structure. Methods of manufacturing and installing the capping apparatus are described.


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