Patents by Inventor by Shanta Batra, legal representative

by Shanta Batra, legal representative 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: 4812071
    Abstract: A correction fluid pen for applying a correction fluid, the correction fluid being of the type containing an opaque covering pigment and a volatile solvent. The pen includes a barrel with a manually squeezable plastic wall portion and an applicator with a spring biased stylus. The squeezable plastic wall portions advantageously have a bellows structure to facilitate the manual squeezing operation. The stylus is positioned within an orifice assembly which includes an orifice for passing the correction fluid. A portion of the stylus is moveable toward an exit opening for the orifice assembly for metering correction fluid passing out of the orifice assembly.
    Type: Grant
    Filed: January 7, 1988
    Date of Patent: March 14, 1989
    Inventors: Pran Batra, deceased, by Shanta Batra, legal representative