Patents by Inventor Eduardo De Lima Castro Neto

Eduardo De Lima Castro Neto 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: 4175782
    Abstract: A simple and quickly appliable bag closure device which automatically tightens the neck of the bag. According to a preferred embodiment of the invention the device comprises a label holder in the form of a generally flattened base and a cover for closure over the base. Said base and cover are provided with means permitting them to be sealed in the closed position by means of a security seal. The base is centrally formed with a cavity shaped to receive a lever which is a separate part of the label holder although connected thereto by a string fixed at one end to one of various points along the length of the lever and at the other end to a label. The lever is formed, with relation to the cavity, so that it may be pivoted about one end to apply an automatic tightening to the neck of the bag about which the lever is passed before being placed in the cavity. The closure of the cover over the base also closes the lever in the cavity.
    Type: Grant
    Filed: March 9, 1978
    Date of Patent: November 27, 1979
    Inventor: Eduardo de Lima Castro Neto
  • Patent number: 4106801
    Abstract: A new single piece plastic security seal comprising an insert which is elastically deformable on passing through an opening of slightly smaller dimensions, and a further part which may be broken away from said insert at a weakened region connecting the insert thereto. The seal is adapted for sealing two elements formed with openings in such a manner that the insert is passed through both openings to be caught behind the second one. The elements form a cavity for protecting the insert in the sealing position. The breaking of the weakened region permits the separation of the two elements in a direction normal to the axis of the openings.
    Type: Grant
    Filed: March 25, 1976
    Date of Patent: August 15, 1978
    Inventor: Eduardo De Lima Castro Neto
  • Patent number: RE31706
    Abstract: A simple and quickly appliable bag closure device which automatically tightens the neck of the bag. According to a preferred embodiment of the invention the device comprises a label holder in the form of a generally flattened base and a cover for closure over the base. Said base and cover are provided with means permitting them to be sealed in the closed position by means of a security seal. The base is centrally formed with a cavity shaped to receive a lever which is a separate part of the label holder although connected thereto by a string fixed at one end to one of various points along the length of the lever and at the other end to a label. The lever is formed, with relation to the cavity, so that it may be pivoted about one end to apply an automatic tightening to the neck of the bag about which the lever is passed before being placed in the cavity. The closure of the cover over the base also closes the lever in the cavity.
    Type: Grant
    Filed: November 16, 1981
    Date of Patent: October 16, 1984
    Inventor: Eduardo De Lima Castro Neto