Observation tower

Description

[0001] The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.

[0002] 1. Observation tower

[0003] 1.1 : Front

[0004] 1.2 : Back

[0005] 1.3 : Left

[0006] 1.4 : Right

[0007] 1.5 : Top

[0008] 1.6 : Bottom

[0009] 1.7 : Perspective

[0010] 1.8 : Changing state view

[0011] 1.9 : Changing state view

[0012] Figs. 1.8 and 1.9 are the first changing state view and the second changing state view of fig. 1.7; the elevator cabin in figs. 1.7, 1.8, and 1.9 are located at different heights, respectively; the elevator cabin, lift passage, water tank, fence of the upper circular platform, bottoms and fences of two protruding platforms are transparent.

Claims

The ornamental design for an observation tower as shown and described.

Images