Personal security alarm
USD338844S · kind S · design
21Cited by
9References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 11, 1992 |
| Grant date | Aug 31, 1993 |
| Priority date | — |
| Expiry date | Aug 31, 2007 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.