Bottle with retractable funnel top
US4256154A · kind A · utility
25Cited by
7References
5Claims
0Family size
Inventor
Key dates
| Filing date | Jul 9, 1979 |
| Grant date | Mar 17, 1981 |
| Priority date | — |
| Expiry date | Jul 9, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D47/063
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
There is shown and described a bottle having an integral, retractable funnel at the top or opening thereof. The retractable funnel is disposed within the bottle in normal operation but is extended from the bottle opening during a refill operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.