Spring clamp
Patent 4987652 Issued on January 29, 1991. Estimated Expiration Date: 
February 9, 2010. 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.
February 9, 2010. 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 210560 712765 1330737 3358351 Earless clamp structure Hose clip Tool for applying and removing a spring clamp Earless clamp structure Self-aligning spring clamp Band clamp with tightening elements formed separately Patent #: 4890360 InventorApplicationNo. 477557 filed on 02/09/1990US Classes:24/20R, Metal bands24/20CW, Circumferentially swagged band clamp24/20EEEnd-to-end integral band end connectionExaminersPrimary: Sakran, Victor N.Attorney, Agent or FirmForeign Patent References
International ClassB65D 063/02AbstractA controlled tension limited diameter clamp is disclosed which can be closed and opened with conventional pliers. Working faces are positioned on the external surface of the clamp which can be gripped by pliers. The working faces are conveniently formed by die cutting and raising the edge of the metal. | |
