Window covering

Details Window covering Window covering

1990-11-05

1992-11-24

Johnson, Blair M.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Venetian blind type

1601761, 160236, E06B 930

Patent

active

051654598

ABSTRACT:
Disclosed in a window covering having a headrail and a plurality of slats suspended therefrom, the slats are adapted to pivot and thereby contact contiguous slats to form dead air cells for improved appearance and insulating properties.

REFERENCES:
patent: 1112071 (1914-12-01), Knopf
patent: 2459517 (1949-01-01), Gearhart
patent: 2543097 (1951-02-01), Drefke
patent: 2570608 (1951-10-01), Spiegel
patent: 2670037 (1954-02-01), Hunter
patent: 3032099 (1962-05-01), Croxen
patent: 3122954 (1964-03-01), Nadosy
patent: 4593738 (1986-06-01), Yu
patent: 4795515 (1989-01-01), Kao et al.
Louverdrape Catalog (no date).

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