Combination and key operated padlock with indicator
US7007521B1 · kind B1 · utility
26Cited by
83References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 2005 |
| Grant date | Mar 7, 2006 |
| Priority date | — |
| Expiry date | Apr 4, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T70/8162
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A padlock for luggage that can be operated by setting a combination or by inserting and turning a key is provided with an indicator that normally displays a first state when the lock being used in a normal way as a combination operated padlock, but which displays a second state if the padlock has been opened by utilizing a key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.