608. Marshall, J. E. Jan. 9. Bedsteads; seats; spring surfaces. - Relates to spring bottoms for beds, seats, &c. Two wire frames 4, 5 having corrugated cross wires 7, 8 have arranged between them helical springs 6, and the upper frame is covered with woven wirework 10. The wires 7, 8 are interlaced together and to the springs, which also engage with the woven wire. Two parts of a bottom may be connected or hinged at 9, 9 by coiling the wire of one frame 4 around that of the other.