Low-cost sleeping bag

Details Low-cost sleeping bag Low-cost sleeping bag

1989-12-11

1990-12-18

Trettel, Michael F.

Beds

Sleeping bag

Including inflatable portion or attachment

5502, 2 695, A47G 908

Patent

active

049776320

ABSTRACT:
A low-cost sleeping bag comprising a sheet of recycled lining paper formed into overlying loops to define a envelope closed at one end and open at the other, and intermediate layers of corrugated or dimpled paper inserted between the overlying portions of the overlying loops to provide cushioning and insulative properties.

REFERENCES:
patent: 274690 (1883-03-01), Willey
patent: 2625695 (1953-01-01), Nicholson
patent: 2825912 (1958-03-01), Sawtell et al.
patent: 3137871 (1964-06-01), Florio
patent: 3460170 (1969-08-01), Uzier

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