Oil-fired space heater

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Portable

Design Patent

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Design Patent

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D0452731

CLAIM:
The ornamental design for an oil-fired space heater, as shown and described.

REFERENCES:
patent: D268578 (1983-04-01), Nakamura
patent: 4440147 (1984-04-01), Amano et al.
patent: 4519775 (1985-05-01), Tao et al.
patent: 4556045 (1985-12-01), Nishikawa et al.
patent: D282567 (1986-02-01), Nakamura
patent: D285335 (1986-08-01), Kojima et al.
patent: D286427 (1986-10-01), Nakamura
patent: 4653464 (1987-03-01), Kojima et al.
patent: D294857 (1988-03-01), Nakamura

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