Patents by Inventor James D. Day, II

James D. Day, II 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).

  • Method for constructing modular pre-cast concrete buildings
    Patent number: 4606878
    Abstract: An apparatus for constructing a unitary pre-cast concrete modular building unit comprising: a collapsible outer form having a rigid rectangular base and rigid walls pivotally connected thereto and collapsible to the plane of said base; a hydraulically retractable inner form thus providing with the outer form, a mold for said building unit; and an extruder for removing said inner form from said building unit.
    Type: Grant
    Filed: February 4, 1985
    Date of Patent: August 19, 1986
    Inventors: James D. Day, James D. Day, II
  • Apparatus for constructing modular pre-cast concrete buildings
    Patent number: 4519568
    Abstract: An apparatus for constructing a unitary pre-cast concrete modular building unit comprising: a collapsible outer form having a rigid rectangular base and rigid walls pivotally connected thereto and collapsible to the plane of said base; a hydraulically retractable inner form thus providing with the outer form, a mold for said building unit; and an extruder for removing said inner form from said building unit.
    Type: Grant
    Filed: May 31, 1983
    Date of Patent: May 28, 1985
    Inventors: James D. Day, James D. Day, II