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3661687
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Information
Patent Grant
3661687
References
Source
Patent Number
3,661,687
Date Filed
Not available
Date Issued
Tuesday, May 9, 1972
52 years ago
CPC
E01C13/08 - Surfaces simulating grass; Grass-grown sports grounds
Y10S273/13 - Artificial grass
Y10T428/23986 - With coating, impregnation, or bond
Y10T428/23993 - Composition of pile or adhesive
US Classifications
428 - Stock material or miscellaneous articles
273 - Amusement devices: games
404 - Road structure, process, or apparatus
472 - Amusement devices
473 - Games using tangible projectile
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