Door lock device
US11655655B2 · kind B2 · utility
0Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 2020 |
| Grant date | May 23, 2023 |
| Priority date | — |
| Expiry date | Apr 6, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05B65/1053
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A door lock device is provided and includes a lock assembly and an operation assembly interlocked with the lock assembly so as to bury the lock assembly in a door frame, thereby protecting the lock assembly from being damaged or stolen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.