Patents by Inventor Jacques Crettenand

Jacques Crettenand has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Timepiece including a power cell compartment closed by a gasket seal
    Patent number: 5396473
    Abstract: The invention concerns a timepiece of the type including: a case (2); a power cell compartment (4) formed by a housing (6) arranged in the interior of the case (2) so as to receive an electrical energy source formed by a power cell (P); and means for closing the housing (6), such means including a movable cap (14) capable of being mechanically latched onto the case (2) and a gasket seal (16) shaped to be interposed between the cap (14) and the case (2), such timepiece being characterized in that the gasket seal (16) is a seal with a full lip extending over the entire frontal surface (SF) of the power cell (P) and assuring, in addition to the sealing of the housing (6), an axial bearing of the power cell (P) towards the bottom of the housing (6).
    Type: Grant
    Filed: October 28, 1993
    Date of Patent: March 7, 1995
    Assignee: Eta Sa Fabriques d'Ebauches
    Inventor: Jacques Crettenand