Reversible dual purpose box spring

Details Reversible dual purpose box spring Reversible dual purpose box spring

1976-12-22

1978-04-11

Nunberg, Casmir A.

Beds

Bedsteads

Element or detail

5355, 5361R, 5351, A47C 2708, A47C 2722

Patent

active

040830691

ABSTRACT:
An improved box spring construction that provides two mattress supporting surfaces, each of which are of different firmness so as to eliminate the need for mattress stiffening bed boards, and to materially increase the desirability, life and usefulness of the box spring.

REFERENCES:
patent: 2471125 (1949-05-01), Sohn et al.
patent: 3138806 (1964-06-01), Goodman et al.
patent: 3534417 (1970-10-01), Boyles
patent: 3846857 (1974-11-01), Weinstock

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