The heads of the pins are larger than the diameters of the apertures to assure that the pins do not fall through the apertures. The plate is supported in a substantially horizontally fixed position, and each of the apertures defined therein are adapted to receive a pin in a substantially vertical orientation. B44F7/00- Designs imitating three-dimensional effectsĪ pin screen includes a plate having a plurality of closely spaced small apertures.A47B- TABLES DESKS OFFICE FURNITURE CABINETS DRAWERS GENERAL DETAILS OF FURNITURE.A47- FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCTION CLEANERS IN GENERAL.G09F7/02- Signs, plates, panels or boards using readily-detachable elements bearing or forming symbols.
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