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2023
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G/S
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Metal clips for general use; Metal hardware, namely, springs; Metal laminated leaf-springs; Sprin... |
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2021
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Invention
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Window counterbalance brake shoe and spring assembly with improved brake strength. A counterbalan... |
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G/S
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Counter balance systems for window sashes consisting of metal coil springs and plastic connectors... |
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G/S
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Springs being parts of machines; Laminated leaf-springs being parts of machines |
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2018
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Invention
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Mounting system for mounting a coil spring to a window frame in a sash counterbalance system. An ... |
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2017
|
Invention
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Ribbon coil spring anchor mount system for use in a window counterbalance assembly. A counterbala... |
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Invention
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Versatile and economic anchor mount for a coil spring in a window counterbalance assembly. An anc... |
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2016
|
Invention
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Counterbalance system for tilt-in window having a shielded brake shoe structure. A counterbalance... |
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Invention
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Brake shoe and stop that interlock to prevent window sash drift during use.
A system and method ... |
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Invention
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System and method for inhibiting window sash drift. A system and method for inhibiting inadverten... |
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Invention
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Removable window sash system with integrated spring biased retainer. A spacer that attaches to a ... |
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2013
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Invention
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Brake shoe with contact posts that increase brake strength and improve the interconnection betwee... |
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2012
|
Invention
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System and method for providing a more reliable interconnection between a spring and a brake shoe... |
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Invention
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System and method for retaining a proper interconnection between a tilt-post and a brake shoe in ... |
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2010
|
Invention
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Window having a counterbalance system that maximizes egress opening. A counterbalance system for ... |
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Invention
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Coil spring mounting system and method for use in a tilt-in window counterbalance assembly. A sys... |
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Invention
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Counter balance system for a window having side loading sashes. A counterbalance system for a sid... |
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Invention
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System and method for improving the wear life of a brake shoe in the counterbalance system of a t... |
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2009
|
Invention
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Window construction utilizing sash spacer assemblies. A window sash installed into a window frame... |
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2008
|
Invention
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Mounting system for a coil spring in a window counterbalance assembly. A counterbalance system fo... |
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2007
|
Invention
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Coil spring counterbalance system for side loading window sashes. A counterbalance system for a s... |
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2005
|
Invention
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Rounded shoe and position brake assembly for the counterbalance system of a tilt-in window. A cou... |
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2004
|
Invention
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Window sash counterbalance and position locking system for a tilt-in window. A counterbalance sys... |
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2003
|
Invention
|
Counterbalance system for a tilt-in window having an improved shoe assembly and anchor mount. A c... |
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|
Invention
|
Counterbalance system for a tilt-in window. A counterbalance system for a tilt-in window that has... |
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Invention
|
Shoeless curl spring counterbalance system for a tilt-in window. A counterbalance system for a ti... |
