Plum-headed finch the eyes are dark brown. In the male there are also a rust colored bib and a frontal stain of the same color (often with a brighter color tending to purple red), which in the female are reduced or absent, in any case with a predominance of brown on red; they also have less dense stripes. The female is similar to the male but lacks the male's black chin spot. The plum-headed finch breeds mainly from September to January in the south and from August to March in the north. The nest is round, laterally compressed chamber of green grass
Colour trade mark 1425 (TTAB 2007), the purple colour was considered functional for coated abrasives, because “[i]n the field of coated abrasives, color serves a myriad of functions, including color coding, and the need to color code lends support for the basic finding that color, including purple, is functional in the field of coated abrasives having paper or cloth backing.” Saint-Gobain Corp. v. 3M Co., 90 USPQ2d 1425, 1447 (TTAB 2007). The Trademark Trial and Appeal Board, in In re Ferris Corp., 59 USPQ2d 1587 (TTAB 2000), held that the colour pink for wound dressings was functional and not registrable, as its colour