Pulsed electric shaver
US7170034B2 · kind B2 · utility
38Cited by
53References
59Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2002 |
| Grant date | Jan 30, 2007 |
| Priority date | — |
| Expiry date | Apr 21, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45D26/0061
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A hair cutting apparatus comprising a structure (126), a portion (1216) of which being adapted for placement against a skin surface where hair is to be cut, a heat generator comprising one or more heat elements (1214) positioned to touch said hair and heated to a temperature sufficient to cut hair, at least one of said heat elements being juxtaposed with said portion and a controller that controls the power source to provide pulsed heating of said one or more heat elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.