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3340548
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Information
Patent Grant
3340548
References
Source
Patent Number
3,340,548
Date Filed
Not available
Date Issued
Tuesday, September 12, 1967
56 years ago
CPC
A47C31/12 - Means
A47C23/0435 - of adjustable resilience
A47C23/063 - by elastic means
A47C23/067 - adjustable
Y10S5/934 - with movable transverse slats
Y10S5/935 - with adjustable firmness
Y10S5/936 - with adjustable firmness comprising springs
US Classifications
005 - Beds
297 - Chairs and seats
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