Patents by Inventor Viktor KOSHKIN

Viktor KOSHKIN 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).

  • Patent number: 9335608
    Abstract: A camera accessory comprising a frame 34 having an opening for the lens, a filter holder rotatably attached to the frame, and at least one sunshade 6-8 attached to the frame, whereas the filter holder comprises a ring 13/14 with outer diameter matching the diameter of the frame opening, whereas the ring has an opening of a diameter sufficiently larger than the lens diameter to prevent the ring being visible in the frame when using the accessory, whereas the filter holder has a filter slot 15/16 attached to the ring on one side of the frame, and a lens ring attachment element 14 attached to the ring on the other side of the frame, whereas the frame and sunshade are rotatable around the longitudinal axis of the lens independent of rotating the filter holder around the longitudinal axis of the lens.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: May 10, 2016
    Inventor: Viktor Koshkin
  • Publication number: 20150110483
    Abstract: A camera accessory comprising a frame 34 having an opening for the lens, a filter holder rotatably attached to the frame, and at least one sunshade 6-8 attached to the frame, whereas the filter holder comprises a ring 13/14 with outer diameter matching the diameter of the frame opening, whereas the ring has an opening of a diameter sufficiently larger than the lens diameter to prevent the ring being visible in the frame when using the accessory, whereas the filter holder has a filter slot 15/16 attached to the ring on one side of the frame, and a lens ring attachment element 14 attached to the ring on the other side of the frame, whereas the frame and sunshade are rotatable around the longitudinal axis of the lens independent of rotating the filter holder around the longitudinal axis of the lens.
    Type: Application
    Filed: March 1, 2013
    Publication date: April 23, 2015
    Inventor: Viktor KOSHKIN