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Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.

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Class 57/231 - Stranded layer


Subclass of Class 57 - Textiles: spinning, twisting, and twining
Definition: Subject matter wherein each component of the spirally wrapped
No. of patents: 47
Last issue date: 08/12/2008


  2  
NumberTitleIssue Date
4827708Wire rope
A wire rope is constructed so that the twisting moment generated in the rope per unit load decreases from one end of the rope to the other . This is accomplished by varying the length of lay along the rope....
05/09/1989
4705722Gland packing
A gland packing having increased compressibility, increased allowable limit of twist, increased tensile strength, and excellent serviceability and versatility characteristics is disclosed which comprises a plurality of flexible graphite sheets cut to a wi...
11/10/1987
4624097Rope
The invention provides a rope having a central strand and a plurality of outer strands extending helically about the central strand. Each of the outer strands consists of a plurality of elements in a helical wrap, at least some of these elements having a ...
11/25/1986
4395458Graphite impregnated polyamide tennis strings
For use in a stringed apparatus, such as a tennis racket, a synthetic string having a cross-sectional diameter between about 0.025 and about 0.08 inch and comprising a plurality of fused, entwined filaments which are composed of a polyamide, such as nylon...
07/26/1983
4202164Lubricated plastic impregnated aramid fiber rope
An aramid fiber rope having a central core surrounded with aramid fiber rope strands. The core and the aramid strands are coated with a heavy viscous lubricant prior to winding the strands into rope. The lubricated rope is then impregnated and surrounded ...
05/13/1980
4050230Rope
The rope of this invention comprises a plurality of strands each having a twisted reinforcing fiber bundle, thermosetting resin applied to the fiber bundle, and a thermoplastic resin cover enclosing the fiber bundle. Each strand in the rope is kept to sub...
09/27/1977
4022010High-strength rope
A high-strength rope, strand or yarn includes a core component, such as a fiber or a plurality thereof, of elastic synthetic plastic material, the core component having a predetermined length. A plurality of envelope components surrounds the core componen...
05/10/1977
  2  
 
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