Hair clasp
Patent 6142159 Issued on November 7, 2000. Estimated Expiration Date: 
December 31, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 31, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1155399 2998015 Hair band having temperature sensitive liquid crystal Barrette Barrette Barrette Pony-tail hair clasp Hair braiding method and device Barrette combined with a comb Patent #: 5816267 InventorApplicationNo. 224595 filed on 12/31/1998US Classes:132/278, Including retaining clasp (e.g., barrette)132/273, Hair fastener132/276, Clip or hairpin132/277, Squeeze-open clip132/279Pivoted armsExaminersPrimary: Wilson, John J.Assistant: Doan, Robyn Kieu Attorney, Agent or FirmInternational ClassesA45D 008/22A45D 008/04 A45D 008/00 AbstractA barrette made of a single flat strip of PETG that is formed into a shape that will encircle and bind a braid of hair. The shape is formed such that the two ends of the flat strip join when in a closed position. The ends of the flat strip have teeth such that the two ends of the flat strip mate when the barrette is in a closed position. The interior of the barrette is provided with a row of teeth in order to grip the hair and prevent it from slipping through the barrette. | |
