LandOfFree - US Patents - Listing for Movable or removable closures,With means mounting closure for reciprocation,With counterbalance

Movable or removable closures – With means mounting closure for reciprocation – With counterbalance

Sash balance foot seal mechanism

Movable or removable closures – With means mounting closure for reciprocation – With counterbalance

Shallow double hung window

Movable or removable closures – With means mounting closure for reciprocation – With counterbalance

Shallow double hung window

Movable or removable closures – With means mounting closure for reciprocation – With counterbalance

Shallow double hung window

Movable or removable closures – With means mounting closure for reciprocation – With counterbalance

Sliding counterbalance assembly for a sash window

Movable or removable closures – With means mounting closure for reciprocation – With counterbalance

Sliding sash window assembly

Movable or removable closures – With means mounting closure for reciprocation – With counterbalance

Spring balance adjustment

Movable or removable closures – With means mounting closure for reciprocation – With counterbalance

Spring-stretch-reducing window sash balance

Movable or removable closures – With means mounting closure for reciprocation – With counterbalance

Support system for laterally removable sash

Movable or removable closures – With means mounting closure for reciprocation – With counterbalance

Universal sash tether clasp and anchoring apparatus for...

Movable or removable closures – With means mounting closure for reciprocation – With counterbalance

Window and sash balance

Movable or removable closures – With means mounting closure for reciprocation – With counterbalance

Window jamb liner with concealed spring pocket and friction slid

Movable or removable closures – With means mounting closure for reciprocation – With counterbalance

Window sash counterbalance with varying lift

Movable or removable closures – With means mounting closure for reciprocation – With counterbalance

Wood-clad aluminum window frame and associated window assembly