Can cover with time indication function
US10752414B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2018 |
| Grant date | Aug 25, 2020 |
| Priority date | — |
| Expiry date | Jan 31, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F23/0091
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The disclosure provides a can cover with a time indication function, and pertains to the technical field of food containers. The can cover comprises a cover body, and the can cover also comprises an indicating system for indicating the opening date of a can; the indicating system comprises a pointer and a plurality of scale lines; the scale lines are positioned on the surface of the cover body; the pointer is arranged on the surface of the cover body; one end of the pointer can rotate or swing in the range of the scale lines, and points to one of the scale lines. The can cover can indicate the opening date of the can, and assist a user to remember the opening date of the can, so that the opening date of the can can be known clearly, and bad and out-of-date canned food is avoided being eaten.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.