Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1993-07-08
1995-03-07
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
Patent
active
D03561453
REFERENCES:
patent: D213623 (1969-03-01), Austin
patent: D239624 (1976-04-01), Korol
patent: D297356 (1988-08-01), Reid
patent: D338518 (1993-08-01), Reid et al.
patent: 2532977 (1950-12-01), White
patent: 4175296 (1979-11-01), Goldman
patent: 4225987 (1980-10-01), Goldman et al.
patent: 4406024 (1983-09-01), Chiu et al.
patent: 4411029 (1983-10-01), Huang
patent: 4624018 (1986-11-01), Kurtz
patent: 4750220 (1988-06-01), Baumann
patent: 4864665 (1989-09-01), Toltzman
Photos of admitted prior art examples of trip handles by various manufactures.
Eljer ad for a Seville showing a handle, undated, admited prior art.
Kohler Co.
Largen James R.
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