Appeal No. 2000-1338 Application 09/107,241 horizontal and facing the sun. Water is introduced into the liquid compartment 18 via one of the pipes 34 to fill it. The gas compartment 20 is then filled with air. After a period of time, water in the liquid compartment will be heated and can be drawn off via one of the pipes 34. The water can be replenished in the liquid compartment 18 from time to time as required and the heater may be moved from time to time to keep the translucent sheet 16 facing towards the sun. When no longer required, the water can be released from the liquid compartment 18 and air from the gas compartment 20 and the heater is rolled up for storage [page 2, lines 68 through 90]. Du Plooy teaches, or would have suggested, a device and method meeting all of the limitations in independent claims 1 and 13 except for those relating to the shower head. In this regard, Du Plooy does not indicate that the free end of the liquid compartment’s outlet pipe or hose 34 has a shower head or any other element attached thereto. The appellants’ contention (see pages 2 through 5 in the main brief and pages 2 and 3 in the reply brief) that Du Plooy also lacks response to the limitations in claims 1 and 13 relating to the pressurized air in the second chamber for pressurizing/expelling the water in the first chamber is not persuasive. In considering the disclosure of a reference, it 6Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 NextLast modified: November 3, 2007