1986-02-12
1987-10-20
Joyce, Harold
49 38, E06B 7082
Patent
active
047006145
ABSTRACT:
Ventilating apparatus comprises an elongate component (10) having complementary formations (19,20) at opposite ends whereby the component is adapted to be interlocked end to end in series with another component (10) or other components (10) and/or a connecting member (59,60) or connecting members (59,60). The component (10) and connecting members (59,60) therefore provide a modular system comprising one or more standard units (10) with left hand and/or right connecting members (59,60) enabling any combination to be connected end to end in series and thereby fit any size window.
REFERENCES:
patent: 1528988 (1925-03-01), Platts et al.
patent: 1728777 (1929-09-01), Trier
patent: 4027581 (1977-06-01), Yamamoto
patent: 4512244 (1985-04-01), Knaap
Joyce Harold
R. W. Simon Limited
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