Patents by Inventor Marc Rivollet

Marc Rivollet 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).

  • Direct-current electric switch
    Patent number: 4393284
    Abstract: An electric switch comprising two parallel blades (1) and (2) between which is placed a battery (3), these two blades being connected by a bending-connecting blade shaped like a V (4). The blade (1) comprises at its end a receptacle (8) connecting one of the poles (10) of the battery (3) to the load (light bulb, motor). The other flexible blade (2) comprises at its end a means (13-14) to make electrical contact with this receptacle (8).
    Type: Grant
    Filed: November 19, 1981
    Date of Patent: July 12, 1983
    Assignee: Etablissements Fernand Berchet
    Inventors: Marc Rivollet, Pierre Monzer
  • Toy vehicle
    Patent number: D271504
    Type: Grant
    Filed: July 13, 1981
    Date of Patent: November 22, 1983
    Assignee: Establissements Fernand Berchet
    Inventor: Marc Rivollet
  • Beach pail
    Patent number: D271988
    Type: Grant
    Filed: June 8, 1981
    Date of Patent: December 27, 1983
    Assignee: Etablissements Fernand Berchet
    Inventor: Marc Rivollet
  • Combined toy wheelbarrow and scraper
    Patent number: D274174
    Type: Grant
    Filed: June 8, 1981
    Date of Patent: June 5, 1984
    Assignee: Etablissements Fernand Berchet
    Inventor: Marc Rivollet
  • Bath toy
    Patent number: D275974
    Type: Grant
    Filed: March 26, 1982
    Date of Patent: October 16, 1984
    Assignee: Etablissements Fernand Berchet
    Inventor: Marc Rivollet
  • Toy boat
    Patent number: D277591
    Type: Grant
    Filed: July 13, 1981
    Date of Patent: February 12, 1985
    Assignee: Etablissments Fernand Berchet
    Inventor: Marc Rivollet