Hollow tile for solar heating system
Description
FIG. 1 is a plan view of a hollow tile for a solar heating system, showing my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a side view;
FIG. 6 is a cross-sectional view taken along line 6--6 of FIG. 2; and
FIG. 7 is a cross-sectional view taken along line 7--7 of FIG. 2.
Referenced Cited
U.S. Patent Documents
4173969 | November 13, 1979 | Scholl |
Patent History
Patent number: D289432
Type: Grant
Filed: Dec 17, 1984
Date of Patent: Apr 21, 1987
Inventor: Lewis G. Vardey (Leatherhead, Surrey)
Primary Examiner: Catherine E. Kemper
Application Number: 6/682,412
Type: Grant
Filed: Dec 17, 1984
Date of Patent: Apr 21, 1987
Inventor: Lewis G. Vardey (Leatherhead, Surrey)
Primary Examiner: Catherine E. Kemper
Application Number: 6/682,412
Classifications
Current U.S. Class:
D23/72