Static structures (e.g. – buildings) – Auxiliary imperforate panel-like shield attached to main...
Patent
1980-04-18
1982-07-06
Friedman, Carl D.
Static structures (e.g., buildings)
Auxiliary imperforate panel-like shield attached to main...
182 46, 182 81, E06B 626
Patent
active
043376029
ABSTRACT:
An enclosure for preventing the loss of heat and moisture through a ceiling entrance. The enclosure includes a flexible envelope with a fastening means to permit ingress and egress through the ceiling entrance while insulating the ceiling with a dead air space when the entrance is closed.
REFERENCES:
patent: 2321499 (1943-06-01), Marschke
patent: 2391871 (1946-01-01), Benson
patent: 3251399 (1966-05-01), Grossman
patent: 4109484 (1978-08-01), Cunningham
patent: 4122887 (1978-10-01), Dussault et al.
patent: 4151894 (1979-05-01), Edwards
Friedman Carl D.
Maier, III John
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