Static structures (e.g. – buildings) – Sectioned imperforate facing within perpheral frame; e.g.,...
Patent
1991-04-02
1992-12-01
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Sectioned imperforate facing within perpheral frame; e.g.,...
52809, 5230911, E06B 372, E04C 224
Patent
active
051671050
ABSTRACT:
An improved hollow paneled door construction using an improved void filler that is expandable and which has components of a specific thickness except for relieved sections of reduced thickness to overlie the panels between the doorskins.
REFERENCES:
patent: 1183842 (1916-05-01), Alling
patent: 4236365 (1980-12-01), Wheeler
patent: 4583338 (1986-04-01), Sewell et al.
Isban Leonard D.
Isban Michael A.
American Containers, Inc.
Hall James D.
Ridgill, Jr. James L.
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