Door closing mechanism
US6938302B2 · kind B2 · utility
10Cited by
7References
1Claims
0Family size
Inventor
Key dates
| Filing date | May 14, 2001 |
| Grant date | Sep 6, 2005 |
| Priority date | — |
| Expiry date | May 14, 2021 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/132
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A door closing mechanism, involving a shaft rod that moves in relation to, and is installed inside a tube unit. On the shaft rod is an open/close unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.