Boot warmer
US6148545A · kind A · utility
7Cited by
12References
12Claims
0Family size
Inventor
Key dates
| Filing date | Sep 27, 1999 |
| Grant date | Nov 21, 2000 |
| Priority date | — |
| Expiry date | Sep 27, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L23/205
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A foot warmer which has a shape to fit into a boot and an insulating foam adjacent the top of the warmer. Below the insulating foam is a heat retaining material that can be heated in a microwave.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.