Anti-haloing throat plate
Patent 4266494 Issued on May 12, 1981. Estimated Expiration Date: 
September 11, 1998. 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.
September 11, 1998. 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 1127067 1188818 1255970 1350931 2219460 2328705 2350267 3376839 3720178 Needle thread work limb retainers Patent #: 4095539 InventorApplicationNo. 05/940935 filed on 09/11/1978US Classes:112/184, Vertical axis112/260, Work supports112/302Thread guiding or handlingExaminersPrimary: Reynolds, Wm. CarterAttorney, Agent or FirmInternational ClassesD05B 73/00 (20060101)D05B 73/12 (20060101) AbstractA throat plate having means attached thereto for preventing the work limb in a loop of thread from being drawn up through the material being sewn by the take-up limb due to friction therebetween causing a loose stitch known as a halo. | |
