Safety lid for drinking mug
US5368186A · kind A · utility
21Cited by
18References
9Claims
0Family size
Inventor
Key dates
| Filing date | Nov 8, 1993 |
| Grant date | Nov 29, 1994 |
| Priority date | — |
| Expiry date | Nov 8, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47G19/2272
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A safety lid adapted for use with a mug, the mug having a circumferential mouth and an internal surface. The safety lid comprises a disk and a central core attached to the bottom surface of the disk. The central core has a circular side wall. The safety lid further comprises a circular sealing ring having an inner surface attached to the circular side wall of the central core and an outer surface adapted to frictionally engage the internal surface of the mouth of the mug.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.