Oil heater


FIG. 1 is a front, top and right side perspective view of a portable oil heater showing our new design;

FIG. 2 is a rear, bottom and left side perspective view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof; and

FIG. 5 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
3085563 April 1963 Murphy
3367318 February 1968 Murakami et al.
Other references
  • Hardware Age, Jul. 1980, p. 30, Corona Oil Heater on left. Hardware Age, 1977, p. 103, Kerosene Heater on right.
Patent History
Patent number: D276067
Type: Grant
Filed: Aug 3, 1981
Date of Patent: Oct 23, 1984
Assignee: Matsushita Electric Industrial Co., Ltd. (Osaka)
Inventors: Daisaku Mori (Nara), Seiichi Sakakibara (Osaka)
Primary Examiner: Catherine E. Kemper
Law Firm: Sughrue, Mion, Zinn, Macpeak and Seas
Application Number: 6/289,643
Current U.S. Class: D23/121