Heat transfer system
Description
FIG. 1 is a perspective view of a heat transfer system, showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is an end elevational view thereof;
FIG. 6 is an elevational view of the side opposite that shown in FIG. 3.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
83863 | November 1868 | Laubach |
92526 | July 1869 | Hamilton |
1319555 | October 1919 | Andersen |
2232272 | February 1941 | Rieger |
2243593 | May 1941 | Zallea |
2267695 | December 1941 | Graham |
2395594 | February 1946 | Ulberg |
3283811 | November 1966 | Harvey |
122563 | January 1919 | GBX |
279625 | January 1971 | SUX |
Patent History
Patent number: D287047
Type: Grant
Filed: May 30, 1984
Date of Patent: Dec 2, 1986
Inventor: Kenneth V. Nygren (Eagle, WI)
Primary Examiner: Catherine E. Kemper
Law Firm: Quarles & Brady
Application Number: 6/615,213
Type: Grant
Filed: May 30, 1984
Date of Patent: Dec 2, 1986
Inventor: Kenneth V. Nygren (Eagle, WI)
Primary Examiner: Catherine E. Kemper
Law Firm: Quarles & Brady
Application Number: 6/615,213
Classifications
Current U.S. Class:
D23/136