Timepiece
US4437770A · kind A · utility
3Cited by
4References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 30, 1982 |
| Grant date | Mar 20, 1984 |
| Priority date | — |
| Expiry date | Nov 30, 2002 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B39/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A timepiece (1) contains a movement (2), topped by a dial (3) and housed in a casing (4) of a watch case. A crystal (5) is located over at least a portion of its periphery against the upper edge (6) of the casing. The edge (6) has a surface inclined (7) toward the inside of the case and defines with the opposite surface of the periphery of the crystal and with the outer edge of a riser (8) placed on the circumference of the dial (3) a housing in which a gasket (9) is deformably held.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.