Reconfigurable toy helicopter
USD294605S · kind S · design
45Cited by
3References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 9, 1985 |
| Grant date | Mar 8, 1988 |
| Priority date | — |
| Expiry date | Mar 8, 2002 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.