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3631752
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Information
Patent Grant
3631752
References
Source
Patent Number
3,631,752
Date Filed
Not available
Date Issued
Tuesday, January 4, 1972
53 years ago
CPC
E02F5/101 - forming during digging
A01G25/06 - Watering arrangements making use of perforated pipe-lines located in the soil
Y10S83/95 - Strandlike
Y10T83/323 - With means to stretch work temporarily
Y10T83/4728 - Tool flies by engagement with the work
Y10T83/4734 - Flying support or guide for work
Y10T83/4812 - Compound movement of tool during tool cycle
Y10T83/8771 - Motion direction of tool influenced by resistance of work
Y10T83/9314 - Pointed perforators
US Classifications
083 - Cutting
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