Seedling tray
US8707620B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2012 |
| Grant date | Apr 29, 2014 |
| Priority date | — |
| Expiry date | May 4, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01G9/0295
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A seedling tray includes a top body member constructed of a rigid solid plastic material having a plurality of planting cells formed in an upper surface with each of the cells converging downwardly and inwardly to define an opening at the bottom thereof. A plurality of air chambers are formed between adjacent ones of the cells which are closed at the bottom by a bottom plate member constructed of a rigid plastic material which is fixedly attached to the body member and which has openings therein corresponding in number and alignment with the openings of the bottoms of the cells which are sealingly engaged with the openings in the bottom plate member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.