Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Fabric or lattice; e.g. – indeterminate grating
Patent
1980-11-12
1984-06-05
Raduazo, Henry E.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Fabric or lattice; e.g., indeterminate grating
52665, E04C 242
Patent
active
044520255
ABSTRACT:
A plurality of metallic or plastic strips or flats or bars with a certain types of notches and holes disposed along the length of said strips or flats or bars in a regular interval, which are used together with a plurality of rods in assembling a variety of self-interlocking grilles, are disclosed.
REFERENCES:
patent: 1140657 (1915-05-01), Benjamins
patent: 1309698 (1919-07-01), Scherbner
patent: 1896957 (1933-02-01), Hutcheson
patent: 2069391 (1937-02-01), Sample
patent: 2171358 (1939-08-01), Gall
patent: 2680501 (1954-06-01), Cunningham
patent: 3444568 (1969-05-01), Vogelsang
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