Class 720 DYNAMIC OPTICAL INFORMATION STORAGE OR RETRIEVAL
Printable Version[PDF] See notes regarding proper use of US-to-IPC Concordances. | ||
U.S. Subclass | IPC8 Subclass | IPC8 Group |
---|---|---|
600 - 616 | G 11 B | 17 / 03 |
600 - 645 | G 11 B | 17 / 04 |
600 - 616 | G 11 B | 33 / 02 |
630 - 644 | G 11 B | 17 / 03 |
646 - 647 | G 11 B | 33 / 02 |
648 - 651 | G 11 B | 33 / 14 |
651 | G 11 B | 33 / 08 |
652 | G 11 B | 33 / 12 |
653 - 656 | G 11 B | 17 / 03 |
653 - 656 | G 11 B | 17 / 04 |
657 | G 11 B | 33 / 02 |
658 - 694 | G 11 B | 7 / 00 |
695 - 717 | G 11 B | 17 / 03 |
695 - 717 | G 11 B | 17 / 028 |
695 - 717 | G 11 B | 19 / 20 |
718 - 724 | G 11 B | 7 / 24 |
718 - 744 | G 11 B | 23 / 03 |
745 | G 11 B | 7 / 0033 |
746 | G 11 B | 7 / 003 |