Plumbing fitting handle or the like

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Valve or body therefor

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D 8307

Patent

active

D03259595

REFERENCES:
patent: D254088 (1980-01-01), Haug
patent: D291234 (1987-08-01), Bergmann et al.
patent: D291238 (1987-08-01), Haug et al.
patent: 4525894 (1985-07-01), Knapp
Domestic Engineering, Feb. 1987, p. 55.
1988 Eljer advertisement for the "Riva" handle (admitted prior art).
Four pages of what are believed to be Grohe advertisements for the "Deshalb" handle, undated (admitted prior art).
Valley Faucet's advertisement showing the Y18345-01 loop handle, undated (admitted prior art).
Hanse advertisement for the "Star-Bicolor" handle, undated (admitted prior art).

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