Knob for locks or the like
USD320336S · kind S · design
4Cited by
5References
1Claims
0Family size
Inventor
Key dates
| Filing date | Jul 15, 1987 |
| Grant date | Oct 1, 1991 |
| Priority date | — |
| Expiry date | Oct 1, 2005 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.