Sash lift
USD297505S · kind S · design
33Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 23, 1986 |
| Grant date | Sep 6, 1988 |
| Priority date | — |
| Expiry date | Sep 6, 2002 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.