Patent · US Active

Adjustable roof hatch safety rail

USD725792S1 · kind S1 · design

16Cited by

9References

1Claims

0Family size

Inventors

Steve CULLEN · Sherwood Park, CA
Mark Williams · Masontown, US
Phil Roy · St. Albert, CA

Key dates

Filing date	Jun 20, 2013
Grant date	Mar 31, 2015
Priority date	—
Expiry date	Mar 31, 2029

Classification

Technology area (CPC —)General

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