Baker & Botts
Illuminated umbrella
 An illuminated umbrella includes a shank with upper and lower end portions, a plurality of ribs connected pivotably to the upper end portion of the shank at one end thereof, a slidable ring member sleeved on the shank, and a plurality of spreaders which are connected pivotally to a periphery of the ring member at one end and which are connected pivotally and respectively to the ribs at the other end. A hollow telescopic tube is made of a material that permits passage of light therethrough. The hollow telescopic tube is sleeved on the shank and has a first end portion secured to the slidable ring member and a second end portion connected securely to the lower end portion of the shank. A light generating unit is mounted on the lower end portion of the shank and is activable so as to emit and project light into the hollow telescopic tube via the second end portion of the tube. 
A Y
A45B Y10S
inventional additional
Tien-Tsai
Huang