Method and apparatus for installing a staircase assembly into a building
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United States of America Patent
Stats
-
Aug 18, 2020
Grant Date -
N/A
app pub date -
Jul 26, 2019
filing date -
Jul 26, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A staircase assembly is installed in a multi-story building, including first and second flights of stairs that are hingably coupled to a landing, and a plurality of vertically-oriented columns coupled to the landing. The staircase assembly is assembled into a first liftable floor plate, and is disposed in a folded arrangement when the liftable floor plate is positioned at an assembly level elevation. The staircase assembly is disposed in an unfolded arrangement when the first liftable floor plate is positioned at a first design level elevation and a second liftable floor plate that is positioned at a second design level elevation below the first liftable floor plate.
First Claim
Other Claims data not available
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 5 Citation Count
- E04B Class
- 52.43 % this patent is cited more than
- 5 Age
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