Case for an instrument of small volume including a manually removable back cover
US6655831B1 · kind B1 · utility
181Cited by
1References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 31, 2000 |
| Grant date | Dec 2, 2003 |
| Priority date | — |
| Expiry date | Apr 9, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B37/116
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The watch case includes a middle part (2) and a removable back cover (3). The back cover (3) is held under the middle part by means of at least one rail (5), this rail having a first portion (7) arranged to be slid into a groove (9) made in the middle part (2) and a second portion (11) arranged to cap an edge (13) of the back cover (3). Without using tools, the user can remove the rail, take off the back cover and change the battery or batteries powering the movement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.