Watchcase including a back cover and method for fixing a...

Details Watchcase including a back cover and method for fixing a... Watchcase including a back cover and method for fixing a...

2008-07-15

2008-07-15

Miska, Vit W (Department: 2833)

Horology: time measuring systems or devices

Cases

With front or back details

C368S310000

Reexamination Certificate

active

11839645

ABSTRACT:
The present invention concerns a watchcase including a middle part (2) defining a housing (4) closed by a crystal and a back cover (6), the back cover (6) having a screw thread portion (14) in a first direction, characterised in that the middle part (2) includes a screw thread portion (16) in a second direction opposite to screw thread direction of the back cover (6), and in that said watchcase further includes an intermediate element (8) having a first screw thread portion (18) cooperating with the screw thread portion (14) of the back cover (6) and a second screw thread portion (20) cooperating with the screw thread portion (16) of the middle part (2).

REFERENCES:
patent: 372558 (1887-11-01), Morrill
patent: 4298973 (1981-11-01), Saito
patent: 4626107 (1986-12-01), Nishikawa et al.
patent: 2003/0016591 (2003-01-01), Meryrat et al.
patent: 333257 (1958-11-01), None
European Search Report issued in corresponding application no. EP 06 11 9118, completed May 8, 2007.

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