Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor
Patent
1988-12-02
1992-03-03
Largen, James R.
Environmental heating and cooling; fluid handling and sanitary e
Fluid handling or treatment equipment
Valve or body therefor
D 8312
Patent
active
D03244113
REFERENCES:
patent: D41494 (1911-06-01), Seeley
patent: D101449 (1936-10-01), Dreyfuss et al.
patent: D148252 (1947-12-01), Rausch
patent: D162686 (1951-03-01), Petterson
patent: D231314 (1974-04-01), Ludwick
patent: D231316 (1974-04-01), Bienkowski et al.
patent: D267110 (1982-11-01), Arnolds
patent: D290496 (1987-06-01), Ryan
A 1985 Jacob Delafon ad for the "Topkapi" cylindrical handle.
PP. 2-7 of the 1988 Kohler Co. K-400 catalog (admitted prior art).
A page from an undated Harden catalog, showing various "Series H" handles (admitted prior art).
Jacob Delafon
Largen James R.
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