Patents by Inventor Alfred MacLean

Alfred MacLean 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: 8919826
    Abstract: In one embodiment the present invention is a screen frame grasping and removal system comprising at least one pull tab. There is at least one lock to lock each tab. The frame defines openings to receive the tab and lock cooperation, the tab and lock openings communicating with each other to permit the lock to engage the tab. In another embodiment the above includes one side of the frame defining an opening to receive the tab and an opening to receive the lock, the tab and lock openings communicating with each other to permit the lock to engage the tab; and a second side of the frame contains therein at least one outwardly springing bias. The screen first and second side opposing each other.
    Type: Grant
    Filed: February 21, 2013
    Date of Patent: December 30, 2014
    Assignee: Screenco Manufacturing Ltd.
    Inventors: Jennifer Small, Alfred MacLean
  • Publication number: 20140001773
    Abstract: In one embodiment the present invention is a screen frame grasping and removal system comprising at least one pull tab. There is at least one lock to lock each tab. The frame defines openings to receive the tab and lock cooperation, the tab and lock openings communicating with each other to permit the lock to engage the tab. In another embodiment the above includes one side of the frame defining an opening to receive the tab and an opening to receive the lock, the tab and lock openings communicating with each other to permit the lock to engage the tab; and a second side of the frame contains therein at least one outwardly springing bias. The screen first and second side opposing each other.
    Type: Application
    Filed: February 21, 2013
    Publication date: January 2, 2014
    Applicant: Screenco Manufacturing Ltd.
    Inventors: Jennifer SMALL, Alfred MacLean
  • Patent number: 4720876
    Abstract: In combination a shower stall structure for bathtubs or shower basins having a top and bottom comprising at least one opening extending from top to bottom defined by a multiplicity of stiles each stile extending in both a horizontal and vertical direction abutting an adjacent wall or stile, wherein at least one opening is closed by more than one closure member spanning across the at least one opening, having pivot mechanisms carried by both the multiplicity of stiles and the more than one closure member at the peripheral extremities thereof wherein the pivot mechanisms are adjustable in position along the respective peripheral edges of at least one of the multiplicity of stiles and the more than one closure member, allowing for dimensional variation of such as the at least one opening with respect to the dimensions of the corner in which the shower stall is installed.
    Type: Grant
    Filed: August 11, 1986
    Date of Patent: January 26, 1988
    Assignee: Fasco Products Division of Indal Limited
    Inventors: Vincent Tomei, Alfred MacLean, Michel Morand, John Faveri