Patents by Inventor Charles H. Schaar

Charles H. Schaar 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: 3995640
    Abstract: A disposable diaper comprising, an adsorbent pad assembly having front and back waistline portions, and a plurality of logitudinally extending folds defining an inverted pleat configuration of the pad assembly. The diaper has an elastic band secured to panels of the pad assembly.
    Type: Grant
    Filed: January 5, 1976
    Date of Patent: December 7, 1976
    Assignee: Colgate-Palmolive Company
    Inventor: Charles H. Schaar
  • Patent number: 3990450
    Abstract: A disposable diaper comprising, an absorbent pad assembly having front and back waistline portions, and pleat means being laterally expandable in at least one waistline portion. The diaper has elastic means in the one waistline portion laterally constraining the one waistline portion when expanded to provide a snug fit of the diaper around the waistline of an infant.
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: November 9, 1976
    Assignee: Colgate-Palmolive Company
    Inventor: Charles H. Schaar
  • Patent number: 3987794
    Abstract: A disposable diaper being folded into a box pleat configuration and having a lateral fold line in the crotch region, an elastic means extending across the fold line with its ends attached to the opposing folded surfaces.
    Type: Grant
    Filed: December 24, 1975
    Date of Patent: October 26, 1976
    Assignee: Colgate-Palmolive Company
    Inventor: Charles H. Schaar
  • Patent number: 3978861
    Abstract: A disposable diaper having an absorbent pad, a fluid impervious backing sheet defining a back surface of the diaper, a front surface, and a plurality of longitudinally extending folds defining a box-pleat configuration of the diaper. An end flap of the box-pleat diaper is folded over the front surface of the diaper, and means is provided for retaining a least a portion of the front surface of the flap against the underlying front surface of the box-pleat diaper.
    Type: Grant
    Filed: September 15, 1975
    Date of Patent: September 7, 1976
    Assignee: Colgate-Palmolive Company
    Inventor: Charles H. Schaar
  • Patent number: 3951150
    Abstract: A disposable diaper comprising, an absorbent pad assembly having front and back waistline portions, and pleat means being laterally expandable in at least one waistline portion. The diaper has elastic means in the one waistline portion laterally constraining the one waistline portion when expanded to provide a snug fit of the diaper around the waistline of an infant.
    Type: Grant
    Filed: October 31, 1974
    Date of Patent: April 20, 1976
    Assignee: Colgate-Palmolive Company
    Inventor: Charles H. Schaar
  • Patent number: 3943930
    Abstract: A disposable diaper comprising, an absorbent pad assembly having a pair of waistline portions, a crotch region intermediate the waistline portions, a fluid impervious backing sheet, a fluid pervious cover sheet, and an absorbent pad intermediate the backing and cover sheets. The pad assembly may have a plurality of longitudinally extending folds defining a pleated configuration of the pad assembly having a longitudinally extending central panel, and a pair of outermost panels overlying the central panel. The pad assembly also has a lateral fold of the pleated pad assembly in the crotch region. The diaper has means for securing a sufficient portion of the outermost panels together in the lateral fold to maintain the pad assembly in its laterally folded configuration, in order that the diaper assumes a contoured configuration responsive to longitudinal expansion of the central panel.
    Type: Grant
    Filed: October 3, 1974
    Date of Patent: March 16, 1976
    Assignee: Colgate-Palmolive Company
    Inventor: Charles H. Schaar
  • Patent number: 3935768
    Abstract: An improved self-containable disposable diaper wherein a portion of the disposal pouch is slit so as to form integral, oppositely extending wings, the wings preferably having means thereon for completing the attachment of the diaper to an infant. A method is provided for forming the improved diaper featuring folding, slitting and refolding the portion thereof which is to define the pouch and wings.
    Type: Grant
    Filed: June 6, 1974
    Date of Patent: February 3, 1976
    Assignee: Colgate-Palmolive Company
    Inventor: Charles H. Schaar
  • Patent number: 3930501
    Abstract: A disposable diaper having an absorbent pad, a fluid impervious backing sheet defining a back surface of the diaper, a front surface, and a plurality of longitudinally extending folds defining a box-pleat configuration of the diaper. An end flap of the box-pleat diaper is folded over the front surface of the diaper, and means is provided for retaining at least a portion of the front surface of the flap against the underlying front surface of the box-pleat diaper.
    Type: Grant
    Filed: May 23, 1974
    Date of Patent: January 6, 1976
    Assignee: Colgate-Palmolive Company
    Inventor: Charles H. Schaar