World time zone indicator/calculator
USD298837S · kind S · design
17Cited by
9References
1Claims
0Family size
Inventor
Key dates
| Filing date | Oct 9, 1985 |
| Grant date | Dec 6, 1988 |
| Priority date | — |
| Expiry date | Dec 6, 2002 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.