Fire escape pole
USD293476S · kind S · design
1Cited by
6References
1Claims
0Family size
Inventor
Key dates
| Filing date | Mar 19, 1985 |
| Grant date | Dec 29, 1987 |
| Priority date | — |
| Expiry date | Dec 29, 2001 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.