Wall of an elevator cab
USD250278S · kind S · design
5Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 1975 |
| Grant date | Nov 14, 1978 |
| Priority date | — |
| Expiry date | Nov 14, 1992 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.