US PATENT SUBCLASS 257 / 681
.~.~ For erasing EPROM

Current as of: June, 1999
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257 /   HD   ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES)

678  DF  HOUSING OR PACKAGE {18}
680  DF  .~ With window means {1}
681.~.~ For erasing EPROM

DEFINITION

Classification: 257/681

For erasing EPROM:

(under subclass 680) Subject matter wherein the window means is provided for transmitting light to erase an electrically programmable read-only memory (EPROM).