Easy reach coffee filters and optional reusable storage container
US4592840A · kind A · utility
11Cited by
8References
1Claims
0Family size
Inventor
Key dates
| Filing date | Jul 22, 1985 |
| Grant date | Jun 3, 1986 |
| Priority date | — |
| Expiry date | Jul 22, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S206/82
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Circular sections of coffee filter papers are interconnected along a portion of their sides, the paper being perforated along the lines where adjacent sections meet. The sections are pressed into the shape of cups alternately concave upward and downward and stacked inside one another by folding along the perforated line, the stack of coffee filter cups being placed in a dispensing box having a top opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.