Air gap anti-siphon valve

Details Air gap anti-siphon valve Air gap anti-siphon valve

1988-11-21

1991-11-19

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Fluid handling or treatment equipment

Valve or body therefor

Patent

active

D03217485

REFERENCES:
patent: D246377 (1977-11-01), Pansini
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patent: D277599 (1985-02-01), Arnold et al.
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patent: 2738798 (1956-03-01), Goodrip
patent: 2997054 (1961-08-01), Woodford
patent: 3086543 (1963-04-01), McAuley
patent: 3125114 (1964-03-01), Langdon
patent: 3158169 (1964-11-01), Smith
patent: 3346001 (1967-10-01), Camp

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