Strap clamp

Pipe joints or couplings – Clamp

Reexamination Certificate

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Details

C024S279000, C024S276000

Reexamination Certificate

active

06860527

ABSTRACT:
A pipe clamp including a strap adapted to surround a pipe. The strap includes first and second opposing ends separated by a gap. The clamp also includes a fastener that extends across the gap for tightening or loosening the clamp by narrowing or widening the gap between the first and second opposing ends of the strap. The first opposing end includes at least one projection and the second opposing end defines at least one recess for receiving the projection when the clamp is tightened.

REFERENCES:
patent: 1745295 (1930-01-01), Greve
patent: 2227551 (1941-01-01), Morris
patent: 2495622 (1950-01-01), Arbogast
patent: 2512741 (1950-06-01), Goodall
patent: 2690193 (1954-09-01), Smith
patent: 2983982 (1961-05-01), Solum et al.
patent: 3004781 (1961-10-01), Morris
patent: 3178208 (1965-04-01), Koehler
patent: 4049298 (1977-09-01), Foti
patent: 4056273 (1977-11-01), Cassel
patent: 4083588 (1978-04-01), Berger
patent: 4155574 (1979-05-01), Hulsey
patent: 4312526 (1982-01-01), Cassel
patent: 4473246 (1984-09-01), McDowell
patent: 4558891 (1985-12-01), Wagner et al.
patent: 4750242 (1988-06-01), Calmettes et al.
patent: 4790574 (1988-12-01), Wagner et al.
patent: 4813718 (1989-03-01), Matter et al.
patent: 4813720 (1989-03-01), Cassel
patent: 5116083 (1992-05-01), Gillingham et al.
patent: 6116659 (2000-09-01), Wagner
patent: 6305054 (2001-10-01), Imes et al.
patent: 2 103 698 (1983-02-01), None
patent: WO 8002317 (1980-10-01), None

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