Two-step step stool
USD330462S · kind S · design
29Cited by
4References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 1988 |
| Grant date | Oct 27, 1992 |
| Priority date | — |
| Expiry date | Oct 27, 2006 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.