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2859840
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Information
Patent Grant
2859840
References
Source
Patent Number
2,859,840
Date Filed
Not available
Date Issued
Tuesday, November 11, 1958
66 years ago
CPC
E04H12/32 - Flagpoles
E01F9/677 - the sign posts being removable without tools
US Classifications
052 - Static structures
211 - Supports: racks
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