Patents by Inventor G. P. Trigg

G. P. Trigg 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).

  • Joint forms for concrete slabs and method for installation of joint forms
    Patent number: 5380122
    Abstract: Joint forms for use in concrete slab formation. Such joint forms may be locked vertically and, if desired, laterally onto joint forms stakes by virtue of a number of aligned stake ear slots 26 and locking slots 28 which cooperate with corresponding ears and locking tabs on the stakes. The joint forms may include a number of stake retention slots aligned with the stake ear slots and locking slots, so that the stakes may be passed through portions of the joint forms in order to lock the forms laterally to the stakes as well as vertically so as not to separate from the stakes during concrete pouring.
    Type: Grant
    Filed: September 28, 1993
    Date of Patent: January 10, 1995
    Assignee: BoMetals, Inc.
    Inventors: Todd A. Rambo, G. P. Trigg