British Patent Office - Abridgments Class 112 Sewing Embroidering 1921-1925 (1929)
British Patent Office · leaf 217
se CLASS 112, 211,815. Harman, F. T. J. Aug. 24, cord adjacent to the grippers then passing through 1922. No Patent granted (Sealing fee not the shuttle 8, which has so far been stationary paid). relatively to the sleeve 6, the grippers 14, 15 … Feb. 20, 1923, 211,855. [Convention date]. Sewing - machines; threads, control- ling otherwise than in stitch-forming. —In machines for producing groups of stitches provided with a work clamp and, or thread-cutting mechanism means is provided for automatically releasing the tension device as the…
British patents · Patents · Sewing · Embroidering · Embroidery
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