Quick closure box
US4993575A · kind A · utility
13Cited by
4References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 12, 1990 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Jun 12, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02B1/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A quick closure box is disclosed, in which the lid is fixed to the base by means of a small pitch screw engaged in an extension having a large pitch thread for engagement in a hole comprising thread portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.