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Patent
   D289058
Priority
Dec 13 1984
Filed
Dec 13 1984
Issued
Mar 31 1987
Expiry
Mar 31 2001
Inventors
Alberts, M…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
2
References
6
Maint.:
n/a
The ornamental design for a refrigeration line size calculator, substantially as shown and described.

FIG. 1 is a front elevational view of a refrigeration line size calculator showing my new design;

FIG. 2 is a right side elevational view, the left side being the same;

FIG. 3 is a top plan view, the bottom being the same; and

FIG. 4 is a rear elevational view thereof.
INVENTORS:

Alberts, Michael T.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D561821, Dec 15 2004 EURO-CELTIQUE S A Four-in-one pain scale
D573175, Jun 22 2007 Euro-Celtique S.A. Four-in-one pain scale
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
2777617,
3533551,
4121759, Dec 27 1976 Nicholson Concrete Company Pavement system calculator
4308450, Dec 22 1978 Baxter International Inc Two-piece slide calculator for determining metabolic requirements and parenteral feeding dosages
104237,
FR1256635,
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