Wrist watch
US4006588A · kind A · utility
12Cited by
5References
2Claims
0Family size
Inventors
Key dates
| Filing date | Nov 19, 1975 |
| Grant date | Feb 8, 1977 |
| Priority date | — |
| Expiry date | Nov 19, 1995 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B19/046
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A wrist watch is provided for indicating time. The watch has a case, with a transparent crystal covering a dial which has the hours indicated thereon by numerals and is also provided with variously colored zones between the numerals to designate the time by colors as well as by number. A rotary dial is provided for indicating the hour with a cut out and a stamped arrow which permits color to be viewed for the designated hour with the arrow pointing to the numeral. A conventional minute hand is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.