Detector for opening or maintaining automatic doors
USD408793S · kind S · design
0Cited by
6References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 7, 1997 |
| Grant date | Apr 27, 1999 |
| Priority date | — |
| Expiry date | Apr 27, 2013 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.