Clasp lock
Patent 4667378 Issued on May 26, 1987. Estimated Expiration Date: 
October 9, 2005. 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.
October 9, 2005. 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 889230 1099484 1192917 1238495 1412731 1606991 1957141 2986792 Jewellery clasp Slip-on connector for jewelry clasp and blank for clasp InventorApplicationNo. 06/785890 filed on 10/09/1985US Classes:24/616, Having connected leading edge and separated trailing arms24/116A, Bead chain fasteners63/3.1Having securement detailExaminersPrimary: Sakran, Victor N.Attorney, Agent or FirmInternational ClassesA44C 5/20 (20060101)A44C 5/18 (20060101) Foreign Application Priority Data1985-05-08 EPAbstractA clasp lock whose clasp is a homogeneous one-piece U-shaped metallic casting having a rigid leg, a resilient leg and a rigid web which is integral with one end portion of the rigid leg as well as with one end portion of the resilient leg and is first to enter the chamber of the receptacle when the clasp is inserted through the opening in the front wall of the receptacle. The cross-sectional area of one or more parts of the intermediate portion of the resilient leg diminishes gradually or abruptly in a direction from one toward the other end portion of such leg. | |
