Class 52/661 - Perforated with attached filaments

Subclass of Class 52 - Static structures (e.g., buildings)
Definition: Structure wherein the member is a perforated sheet and has
No. of patents: 4
Last issue date: 03/17/2009

Number	Title	Issue Date
7503149	Method for making a double-walled thermostructural composite monolithic component and resulting component A method of producing a double-walled thermo-structural composite monolith may include assembling, by stitching, a sandwich having a core and outer fibrous armors. The stitched sandwich structure is impregnated with a viscous resin. After the resin hardens, the core...	03/17/2009
7174688	Non clogging screen A filter assembly is provided that has a filtering screen and a skeletal structure, the skeletal structure being attached to the filtering screen. At least one of the filtering screen and the skeletal structure form a plurality of downward extending channels. ...	02/13/2007
3991536	Lathing Improved welded wire fabric lath including a double strand of wire located at predetermined spaced intervals. The wires of the double strand are spaced slightly apart to provide a slot for receiving fasteners used to hold the lath in place on wood and met...	11/16/1976

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