Closures Interconnected For Concurrent Movement Patents (Class 49/73.1)
- Distinct groups of louver-type closures (Class 49/77.1)
- Manipulation of control louver panel connects or disconnects remaining louver panels (Class 49/79.1)
- Louver panels move sequentially or independently (Class 49/80.1)
- Multidirectional louver panel movement (Class 49/81.1)
- Geared, interconnector or operator (Class 49/82.1)
- Cable, interconnector or operator (Class 49/86.1)
- Operating system includes a handle (Class 49/87.1)
- Operating system includes biasing means (Class 49/89.1)
- With position holder for operating system (Class 49/90.1)
- With weather seal feature (Class 49/91.1)
- Specific louver structure (Class 49/92.1)