Water heater tank minus bottom cylinder end
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
N/A
app pub date -
Mar 29, 2005
filing date -
Oct 10, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention provides a minus bottom cylinder end having a crown portion, a shoulder portion and a peripheral annular skirt, the crown portion being substantially spherical and located at the centre of the minus bottom cylinder end and the shoulder portion being located between a terminus of the crown and said skirt portion, and wherein said shoulder portion substantially conforms, in cross section, to one of the following: a three point spline, or a part elliptical segment.
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Family
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Cited Art Landscape
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