Cleaning card
US6210490A · kind A · utility
14Cited by
24References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 2, 1999 |
| Grant date | Apr 3, 2001 |
| Priority date | — |
| Expiry date | Mar 2, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24298
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A cleaning card for cleaning the magnetic heads of magnetic card readers is disclosed. As the card is pushed through the reader, the magnetic head protrudes through the card and then as the card continues to move the sides of the hole in the card scrub both sides of the head effectively removing dirt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.