Lock
US7698916B2 · kind B2 · utility
42Cited by
148References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 26, 2008 |
| Grant date | Apr 20, 2010 |
| Priority date | — |
| Expiry date | Mar 26, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/7751
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A lock with a core rotatable in an intermediate shell that is rotatable in an outer shell of the lock's body resists attack by the application of excessive torque to the keyway or drilling into the core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.