Electric-power cultivator
US8991514B2 · kind B2 · utility
3Cited by
12References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2012 |
| Grant date | Mar 31, 2015 |
| Priority date | — |
| Expiry date | Jun 27, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01B33/028
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A cultivator may include at least one rechargeable battery for an electrical power tool as a power source. The at least one rechargeable battery may include a plurality of rechargeable batteries. Further, the plurality of rechargeable batteries may be switched in sequence, so as to be used as the power source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.