Patents by Inventor Lucy C. Esquivel

Lucy C. Esquivel 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: 4051566
    Abstract: A mattress structure with modifiable cavity extending therethrough for accommodating the expandable abdomen of a woman during a full term pregnancy. An insert is movably mounted in the cavity such that the bed may have its normal plane surface configuration or a modified cavity in its surface such that a woman resting upon the mattress face down can rest her abdomen in the cavity and have it sized such that the periphery of the cavity serves as a contacting support for the expanding abdomen during the progressive stages of pregnancy.
    Type: Grant
    Filed: September 20, 1976
    Date of Patent: October 4, 1977
    Inventor: Lucy C. Esquivel