
US Patent No: 4,645,299
Number of patents in Portfolio can not be more than 2000
Rotary indicating device
Stats
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Feb 24, 1987
Issued date -
Mar 5, 1984
filing date -
06/586,087
serial no -
Expired
status
Importance
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Abstract
The disclosure relates to a rotary indicating device preferably in use, for example, for wheel covers for motor vehicles. The device includes a base member having an indication region and adapted to be rotated about a rotary axis. The indication region indicates a desired image and comprises a plurality of reflection faces. The reflection faces are inclined in the same direction and also at the same angle with respect to a standard plane perpendicular to a rotary axis of the base member. Thus, when the base member rotates, the observer can visually recognize the image as a clear single image due to the after image phenomenon.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,194,809 Motion reflector | 12 | 1977 | |