Patent · US Active

Ladder, top and method

US10590703B2 · kind B2 · utility

20Cited by

14References

7Claims

0Family size

Assignee

Werner Co. · US

Inventors

Thomas W. Parker · Jamestown, US
Daniel C. Mora · Transfer, US
Robert D. Beggs · Filer Corners, US
Tek Lentine · Greenville, US
Joseph C. Dangrow · Hermitage, US
Adam C. Field · Cochranton, US
Brent Sedlacek · Elmhurst, US

Key dates

Filing date	Nov 3, 2017
Grant date	Mar 17, 2020
Priority date	—
Expiry date	Nov 3, 2037

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE06C7/14
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A ladder having a first rail. The ladder having a second rail. The ladder having a plastic top directly attached to the first rail and second rail with fasteners. The top having a first side and a second side. The first side having a gap with a surface with a first rectangular slot and a second rectangular slot extending from the first rectangular slot so an external corner can fit into the first rectangular slot when the top leans against the corner. The surface of the first side having a first notch in the gap so a first rectangular plank can fit into the first notch when the top leans against the plank. The first notch having a width slightly larger than a width of the first plank. A ladder top. A method for using a ladder.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.