Patents by Inventor Gary R. Calzolari

Gary R. Calzolari 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).

  • Publication number: 20030159241
    Abstract: A device for attachment to a vacuum cleaner to combine the steps of scraping articles from a surface and removing the resulting debris. The device includes a first end which attaches to a vacuum cleaner. The second end of the device has a substantially rectangular shape. A slot is formed beneath the second end near the opening of the device. The slot has a first width slightly greater than the width of the safety end of a scraping blade. The slot also has a second width slightly greater than the width of scraping portion of the scraping blade. A scraping blade is inserted into the slot so that the scraping edge of the blade extends just in front of the opening of the second end of the device. Articles can then be removed from a surface by the blade. The debris which the results is sucked up through the second end and into the tank of a vacuum cleaner.
    Type: Application
    Filed: February 26, 2002
    Publication date: August 28, 2003
    Inventor: Gary R. Calzolari