Static structures (e.g. – buildings) – Framing to receive door – doorjamb – or window sash – With one movable door section and at least one fixed section
Patent
1984-01-11
1985-11-26
Kelly, Donald G.
Static structures (e.g., buildings)
Framing to receive door, doorjamb, or window sash
With one movable door section and at least one fixed section
49425, 49404, 49DIG1, E05D 1508
Patent
active
045547700
ABSTRACT:
A thermally insulating window having two spaced parallel removable sashes in side by side relation, closely spaced apart meeting rails on the sashes and an intermediate rail member sealing the space between the meeting rails.
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patent: 4064653 (1977-12-01), Randall et al.
patent: 4151682 (1979-05-01), Schmidt
patent: 4202137 (1980-05-01), Randall
patent: 4398373 (1983-08-01), Mancuso
Chilcot Jr. Richard E.
Hause Robert F.
Kelly Donald G.
National Gypsum Company
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