Watering devices
US5020271A · kind A · utility
6Cited by
1References
10Claims
0Family size
Inventor
Key dates
| Filing date | Apr 27, 1990 |
| Grant date | Jun 4, 1991 |
| Priority date | — |
| Expiry date | Apr 27, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01G25/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A watering device comprising a flexible plastic bag with inlet and outlet necks whereby the bag may be filled and enabled to trickle water therefrom. The outlet neck is provided with a wick material and it is supported at a point therealong above the water level in the device so as to control the rate of outflow. The watering device is a split bag to encompass the base of a tree.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.