Fuente: WIPO "rice" 7675. Rice, P. P., [trading as Rice & Co.]. April 7. Grates.-The grate bottom is provided with pivots at the back which ride in pockets in the cheeks, and with lugs at the front to which is hinged a small grating. The grating serves to support the grate when in the raised position, Fig. 7, and, when pushed back, allows the grate to fall to the position shown in Fig. 8.