Patents by Inventor Olivia Nancy Hargreaves

Olivia Nancy Hargreaves 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: 4066224
    Abstract: Knock-down shipping and storage reel for the electric cable, wire rope and fiber rope industries. The reel is constructed to be disassembled when it reaches its destination and the cable or rope has been payed off the reel, and is returned to its shipping point in a knocked-down condition. The reel comprises a pair of parallel spaced flanges or heads, which are fluted for strength when made from metal and have openings extending therethrough concentric with the centers of the reel heads. A spacer tube spaces the flanges apart, concentric with the centers of the reel heads and is detachably secured to each of these reel heads. The carrying media for the cable may comprise circumferentially spaced cables or strands of metal or natural or synthetic fibers, which may be round or generally flat in cross secton. The cables or strands each have metallic terminals at each end, one of which may be a boltlike head. The other end may be threaded to receive a nut, such as a wing nut.
    Type: Grant
    Filed: October 28, 1975
    Date of Patent: January 3, 1978
    Inventors: William Hargreaves, Olivia Nancy Hargreaves