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929853
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Patent Grant
929853
References
Source
Patent Number
929,853
Date Filed
Not available
Date Issued
Tuesday, August 3, 1909
115 years ago
CPC
A47C23/30 - using combinations of springs covered by more than one of the groups A47C23/04, A47C23/06 and A47C23/12 Frames therefor
Y10S256/01 - Compensator, spring
US Classifications
005 - Beds
256 - Fences
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