US PATENT SUBCLASS 65 / 490
.~.~ Molten glass level (e.g., sensor, check valve, etc.)
Current as of:
June, 1999
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65 /
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GLASS MANUFACTURING
483
DF
FIBER MAKING APPARATUS
{21}
484
DF
.~ With measuring, controlling, sensing, timing, inspecting, indicating, or testing means {7}
490
.~.~ Molten glass level (e.g., sensor, check valve, etc.)
DEFINITION
Classification: 65/490
Molten glass level (e.g., sensor, check valve, etc.):
(under subclass 484) Apparatus including the means to measure, control, recognize, indicate, or test any variance in height of a level of the molten glass.
