Test tube rack with inserting structure
US6533133B2 · kind B2 · utility
54Cited by
11References
3Claims
0Family size
Inventor
Key dates
| Filing date | May 18, 2001 |
| Grant date | Mar 18, 2003 |
| Priority date | — |
| Expiry date | May 18, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01L9/06
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A test tube rack a top tray bridging and jointing a bottom tray set, having several rows of inserting holes for and receiving cups for test tubes. Through holes are disposed on a flexible sandwich plate on the upper portion of the bottom tray set. When inserted, the test tubes may be depressed or placed gently with various heights for convenient selecting, temporary storing or further conducting the screening and distinguishing tests.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.