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:
Jan. 23, 2007

Filed:

Aug. 07, 2003
Applicants:

Brett A. Latimer, New Castle, PA (US);

Ronald K. Burig, New Castle, PA (US);

Christine A. Brown, Jamestown, PA (US);

David E. Plotner, Sharpsville, PA (US);

John J. Fiumefreddo, New Wilmington, PA (US);

Roy B. Bendickson, Sharpsville, PA (US);

David A. Winslow, Hermitage, PA (US);

Inventors:

Brett A. Latimer, New Castle, PA (US);

Ronald K. Burig, New Castle, PA (US);

Christine A. Brown, Jamestown, PA (US);

David E. Plotner, Sharpsville, PA (US);

John J. Fiumefreddo, New Wilmington, PA (US);

Roy B. Bendickson, Sharpsville, PA (US);

David A. Winslow, Hermitage, PA (US);

Assignee:

Werner Co., Greenville, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E06C 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A support frame for a folding ladder, a folding ladder positioning system, and a method for installing a folding ladder, are disclosed and pertain to folding ladders disposable within an opening, such as openings in a ceiling of a house, to provide temporary access between one floor or space and another floor or space. In one aspect, a support frame includes a plurality of separable support frame plates collectively configured to circumscribe the opening and a plurality of connection sites are disposed at opposing ends of each of the plurality of separable support frame plates to facilitate connection of each support frame plate to adjacent support frame plates. The connection sites include, for example, mating locking connectors or a plurality of matching through-holes, which permit insertion of a fastening means therethrough.


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