Electrical computers: arithmetic processing and calculating
Patent class list (only not empty are listed)
Deeper subclasses:
Class / Patent application number | Description | Number of patent applications / Date published |
---|---|---|
708100000 | ELECTRICAL DIGITAL CALCULATING COMPUTER | 2133 |
708800000 | ELECTRICAL ANALOG CALCULATING COMPUTER | 22 |
708001000 | ELECTRICAL HYBRID CALCULATING COMPUTER | 11 |