Method and apparatus for sewing mitered corners of box type articles
Patent 4616584 Issued on October 14, 1986. Estimated Expiration Date: 
March 24, 2006. 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.
March 24, 2006. 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 2413891 3208419 3417718 3588973 3669048 3921550 Dual-chain sewing machine Patent #: 4541353 InventorsApplicationNo. 06/842974 filed on 03/24/1986US Classes:112/470.16, For folding the work112/153, Edge112/306Having means to align workExaminersPrimary: Hunter, H. HamptonAttorney, Agent or FirmInternational ClassD05B 23/00 (20060101)AbstractMethods and apparatus are disclosed for forming and securing by stitching articles with mitered corners such as bed sheets or the like in which the mitered corner is contorted into a substantially flat configuration capable of being secured by a straight line of stitching. | |
