Fume hood with multifunctional sash lock
US4829887A · kind A · utility
12Cited by
1References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 26, 1988 |
| Grant date | May 16, 1989 |
| Priority date | — |
| Expiry date | Sep 26, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/1047
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A laboratory fume hood with at least two vertically-movable sashes and with a control in the form of a multifunctional sash lock that may be selectively positioned to allow only one sash to be opened at a time, or to permit both sashes to be opened but only partially, or to allow both sashes to be opened fully.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.