LandOfFree - US Patents - Listing for Fire escape, ladder, or scaffold

Fire escape – ladder – or scaffold – Wall- or floor-attached – Ladder

Folding staircase

Fire escape – ladder – or scaffold – Wall- or floor-attached – Independent rung or step

Folding step

Fire escape – ladder – or scaffold – Wall- or floor-attached – Independent rung or step

Folding step for mounting above an interior corner between a wal

Fire escape – ladder – or scaffold – Ladder with pivoted prop – Coplanar extension with prop pivoted to lower section

Folding step ladder

Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder – Collapsible ladder

Folding step ladder

Fire escape – ladder – or scaffold – Ladder with pivoted prop

Folding step stool

Fire escape – ladder – or scaffold – Convertible – Ladder

Folding step stool

Fire escape – ladder – or scaffold – Convertible – Ladder

Folding step stool

Fire escape – ladder – or scaffold – Convertible – Ladder

Folding stepladder

Fire escape – ladder – or scaffold – Convertible – Ladder

Folding steps

Fire escape – ladder – or scaffold – Wall- or floor-attached – Retractable or collapsible beneath floor – track-mounted

Folding steps

Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder – Trestle

Folding support bracket

Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder – Trestle

Folding three legged sawhorse

Fire escape – ladder – or scaffold – Combined

Folding tray for foldable step stool

Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder – Trestle

Folding triply-braced sawhorse bracket

Fire escape – ladder – or scaffold – Ladder with pivoted prop – Hinged to top-step rear flange

Folding tripod ladder having extendable legs

Fire escape – ladder – or scaffold – Unitary foldable – rigid scaffold or ladder – Trestle

Folding utility horse

Fire escape – ladder – or scaffold – Convertible – Ladder

Folding workbench and dolly combination

Fire escape – ladder – or scaffold – Torso harness – Ladder-associated

Folding, burglar proof fire escape ladder with separate release