Injection hatchet for treating diseased or unwanted trees
USD280971S · kind S · design
7Cited by
4References
1Claims
0Family size
Inventor
Key dates
| Filing date | Dec 16, 1983 |
| Grant date | Oct 15, 1985 |
| Priority date | — |
| Expiry date | Oct 15, 1999 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.