Balance watch
US6840665B2 · kind B2 · utility
0Cited by
9References
18Claims
0Family size
Inventor
Key dates
| Filing date | Jul 10, 2002 |
| Grant date | Jan 11, 2005 |
| Priority date | — |
| Expiry date | Jul 4, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B37/0083
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A balance watch, a combination of two watches, one measuring hours, the other measuring minutes and/or seconds. Each watch is worn on a separate wrist simultaneously.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.