130870 ⎘
Stairways, ramps, or like structures ; Balustrades; Handrails; Stairways; Layouts thereof; Movable stairways, e.g. of loft ladders which may or may not be concealable or extensible collapsible, e.g. folding, telescopic folding
Sub-classes:INSULATION HATCH WITH A SPACER AND ATTIC STAIRS WITH THE INSULATION HATCH
#2Stairs and Platform System for Mobile Elevated Shelter
#3FOLDABLE STAIR ASSEMBLY
#4Attic stair apparatus
#5Attic stair apparatus
#6Laterally Collapsible Staircase
#7RETRACTABLE ACCESS MEANS WITH COLLAPSIBLE HANDRAIL ASSEMBLY
#8Stairs and platform system for mobile elevated shelter
#9ADJUSTABLE PET STAIR RAMP
#10Rolling access step
#11Moveable stair systems and methods
#12Retractable staircase
#13Lateral folding step unit
#14Retractable staircase
#15Vehicle service pit
#16Moveable stair systems and methods
#17Foldable staircase
#18Ceiling ladder, deep step and method
#19Insulting member for a hole in an attic floor
#20Safety device and emergency escape device for high-rise building
#21Folding attic stairway transport system
#22Tank farm system
#23Portable pathway apparatus
#24Automatic foldable ladder
#25Insulating cover for an attic sealing member
#26Safe room system for folding attic stair assembly
#27Lightweight wooden stairs
#28ADJUSTABLE RAMP LADDER WITH ALTERNATING STEPS
#29Apparatus and method for a portable pathway
#30Inflatable attic stairway insulation appliance
#31System for insulating attic openings
#32Ladder
#33System for insulating attic openings
#34Insulation cover for attic closures
#35Flexible Fire-Resistant Thermally Insulated Composite Structures
#36Loft Ladder Assembly
#37System for insulating attic openings
#38Insulating cover
#39Attic stair assemblies and methods of installing attic stair assemblies
#40Retractable stairs and cord assembly
#41Collapsible stair with foldable ramp
#42Undergrate stairway access assembly