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The ornamental design for a quartz fin heat retaining tube, as shown. |
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FIG. 1 is a perspective view of a quartz fin heat retaining tube.
FIG. 2 is a top plan view thereof.
FIG. 3 is a front elevational view thereof.
FIG. 4 is a cross sectional view taken along line 4--4 in FIG. 3.
FIG. 5 is a cross sectional view taken along line 5--5 in FIG. 3.
FIG. 6 is a left side view thereof.
FIG. 7 is a right side view thereof.
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is a rear elevational view thereof.
| Patent | Priority | Assignee | Title |
| D793974, | Sep 29 2015 | KOKUSAI ELECTRIC CORPORATION | Heater for semiconductor thermal process |
| D793975, | Sep 29 2015 | KOKUSAI ELECTRIC CORPORATION | Heater for semiconductor thermal process |
| D795209, | Sep 29 2015 | KOKUSAI ELECTRIC CORPORATION | Heater for semiconductor thermal process |
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| Jul 24 1997 | Tokyo Electron Limited | (assignment on the face of the patent) | / | |||
| Aug 28 1997 | ISHII, KATSUTOHSI | Tokyo Electron Limited | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008804 | /0710 | |
| Nov 08 1997 | ISHII, KATSUTOHSI | Tokyo Electron Limited | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008835 | /0251 |
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