Channel guide section for windlocked rolling door
USD270187S · kind S · design
8Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 1981 |
| Grant date | Aug 16, 1983 |
| Priority date | — |
| Expiry date | Aug 16, 1997 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.