Penetrable cap having rib structures
US8535621B2 · kind B2 · utility
3Cited by
224References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2008 |
| Grant date | Sep 17, 2013 |
| Priority date | — |
| Expiry date | Jan 5, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T436/2575
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A cap having a plurality of rib structures situated on an inner wall of the cap to facilitate the formation of air passageways as the cap is penetrated by a pipette tip. The air passageways aid in venting air from a fluid-holding vessel closed with the cap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.