Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Fabric or lattice; e.g. – indeterminate grating
Patent
1977-06-20
1978-08-29
Bell, J. Karl
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Fabric or lattice; e.g., indeterminate grating
52105, 52311, 15215, E04C 242
Patent
active
041094395
ABSTRACT:
A floor mat of the type comprising crossed, interlocking flexible strips which are arranged in grid-like fashion. A plurality of interchangeable design elements are inserted in the rectangular interstitial spaces between the strips at various places on the mat so as to form any desired wording, design or pattern in matching or contrasting colors. The design elements, which substantially occupy the interstitial spaces, are provided with a pair of protruding lugs which interlock with suitably positioned apertures in the strips.
REFERENCES:
patent: D161703 (1951-01-01), Moor
patent: 2225107 (1940-12-01), Galkin
patent: 2302586 (1942-11-01), Thelen
patent: 2368330 (1945-01-01), Schwartz
patent: 3267628 (1966-08-01), Seery
patent: 3307317 (1967-03-01), Lynn
Bell J. Karl
Hoffman John F.
Jeffers Albert L.
The Airomat Corporation
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