Patents by Inventor Joseph H. DeMarco

Joseph H. DeMarco 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: 6302124
    Abstract: An open spaced apart patio sun umbrella which, when the top thereof is raised, undergoes a reshaping into an inverted v-shape closed condition and makes, to the extent it is raised, the location of an unlatching mechanism within convenient reach of a user making unobserved unlatching contact therewith through the bottom opening of the v-shape, even though the unlatching mechanism is masked from view.
    Type: Grant
    Filed: February 23, 2000
    Date of Patent: October 16, 2001
    Inventor: Joseph H. Demarco
  • Patent number: 5305770
    Abstract: An umbrella which opens into a noteworthy enlarged expanse due to outer fabric-supporting struts being urged through sliding movement along inner fabric-supporting struts, so that the two fabrics cooperate to provide the enlarged expanse to the umbrella.
    Type: Grant
    Filed: April 7, 1993
    Date of Patent: April 26, 1994
    Inventor: Joseph H. DeMarco
  • Patent number: 4350175
    Abstract: Folding umbrellas which close into a compact condition, for convenience in storage and portability are, of course, well known. To such umbrella, having the characterizing closing mode in which lower rib portions fold bodily against upper rib portions, there are provided, in one embodiment, cooperating closure panels which move towards each other from opposite sides against the bodily folded ribs and are joined to each other, by snaps, zipper, or the like, so as to effectively serve as an integral cover for the umbrella and, in another embodiment, a sock-like tube which is pulled over the folded-closed umbrella thereby serving as a closure for same.
    Type: Grant
    Filed: September 24, 1980
    Date of Patent: September 21, 1982
    Inventor: Joseph H. DeMarco
  • Patent number: 4007753
    Abstract: A folding umbrella of the type in which a lower section closes upon an upper section, as both these sections close upon the umbrella rod, and wherein this closing movement is automatically achieved, i.e. is the result of articulating or pivotal movement of the umbrella ribs, rather than being movement that must be manually imparted.
    Type: Grant
    Filed: January 22, 1976
    Date of Patent: February 15, 1977
    Inventor: Joseph H. DeMarco