Handling: hand and hoist-line implements – Hand bars and hand barrows – Compound tool
Reexamination Certificate
2009-02-19
2011-12-13
Kramer, Dean (Department: 3652)
Handling: hand and hoist-line implements
Hand bars and hand barrows
Compound tool
C294S210000, C403S053000
Reexamination Certificate
active
08075031
ABSTRACT:
An air conditioner filter removing system for air filters located in elevated return-air vents, such as return-air vent mounted in a ceiling or upper wall. The device consists of a filter-grabbing mechanism that can be mounted to an extension pole. The filter-grabbing mechanism has teeth protruding from it to grab an air filter and a holding plate where the filter is balanced once engaged by the teeth. In its preferred embodiment, the system has one or more magnets for holding the return-air vent door closed so the filter-grabbing mechanism can easily pull the vent open. Further, the preferred embodiment also has kicker plates that help removal of the teeth out of the grill louvers they are inserted into, on the vent door.
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Gunn Lee & Cave
Kramer Dean
Marvin Edward B.
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