Road structure – process – or apparatus – Traffic steering device or barrier
Patent
1977-04-18
1978-09-12
Jaudon, Henry S.
Road structure, process, or apparatus
Traffic steering device or barrier
256 131, E01F 1300
Patent
active
041134001
ABSTRACT:
The vertical tongue-and-groove arrangement which is integrally molded on the ends of a concrete traffic barricade includes an impact resistant insert to protect the coupling against chipping, cracking or breaking caused by repeated use when the barricade is moved from place to place for temporary service at different locations.
REFERENCES:
patent: 2794375 (1957-06-01), Falco et al.
patent: 3326099 (1967-06-01), Cova et al.
patent: 3357146 (1967-12-01), Gartrell
patent: 3980279 (1976-09-01), Bofinger
Jaudon Henry S.
Mitchell, Jr. George H.
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