Beckm, LLC

United States of America

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        World 1
IPC Class
E04F 11/00 - Stairways, ramps, or like structuresBalustradesHandrails 1
E04F 11/02 - StairwaysLayouts thereof 1
E04F 11/025 - Stairways having stringers 1
E04F 11/06 - Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic 1
E04F 11/104 - Treads 1
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Found results for  patents

1.

Stair system

      
Application Number 13881947
Grant Number 09422726
Status In Force
Filing Date 2011-10-27
First Publication Date 2013-09-19
Grant Date 2016-08-23
Owner BECKM, LLC (USA)
Inventor Walston, Richard D.

Abstract

A stair system (20; 300) comprises: a first length-adjustable stringer (40A; 308A); a second length-adjustable stringer (40B; 308B); and a plurality of tread assemblies (148; 350) installable to the first and second stringers. The system further includes at least one handrail (268; 302A, 302B). A plurality of balusters (280A, 280B; 360, 362) are attached or attachable to the tread assemblies and handrail. The tread assemblies each have an adjustable tread pitch.

IPC Classes  ?

  • E04F 11/06 - Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic
  • E04F 11/025 - Stairways having stringers
  • E04F 11/104 - Treads
  • E04F 11/112 - Treads of metal
  • E04F 11/18 - BalustradesHandrails

2.

STAIR SYSTEM

      
Application Number US2011058020
Publication Number 2012/058389
Status In Force
Filing Date 2011-10-27
Publication Date 2012-05-03
Owner BECKM, LLC (USA)
Inventor Walston, Richard, D.

Abstract

A stair system (20; 300) comprises: a first length-adjustable stringer (40A; 308A); a second length-adjustable stringer (40B; 308B); and a plurality of tread assemblies (148; 350) installable to the first and second stringers. The system further includes at least one handrail (268; 302A, 302B). A plurality of balusters (280A, 280B; 360, 362) are attached or attachable to the tread assemblies and handrail. The tread assemblies each have an adjustable tread pitch.

IPC Classes  ?

  • E04F 11/02 - StairwaysLayouts thereof
  • E04F 11/00 - Stairways, ramps, or like structuresBalustradesHandrails