Arcuate Design
Arcuate means shaped like a bow; curved. Arcuate pocket a type of pocket used in clothing, especially jeans made by Levi Strauss.
Levi's pocket stitching has a long & rich history.
The iconic stitching on the back pockets of Levi’s® jeans is called the Arcuate Design because of its arc formation. One of the most globally recognizable design details on a pair of Levi’s® jeans, the Arcuate Design was used on Levi's earliest waist overalls. The pants had been called waist overalls prior to becoming their blue jeans that were patented in 1873.
In 1873, Levi Strauss & Jacob Davis are granted a patent on the process of riveting pants by the U.S. Patent and Trademark Office on May 20. It is patent number 139,121 and this is the invention of the blue jean. The pants - called “waist overalls” - have one back pocket with the Arcuate stitching design, a watch pocket, a cinch, suspender buttons and a rivet in the crotch. Unfortunately, history has lost the actual reason for the origin of the Arcuate stitching design. Stories about it representing the wingspread of a bird are myths; the loss of company records in 1906, due to San Francisco earthquake and fires, makes it impossible to know why the stitching was first used.
World War II forces changes to the Arcuate stitch design. Changes are made to the overalls in order to conform to rules War II set by the War Production Board for the conservation of raw materials. The crotch rivet, watch pocket rivets and back cinch are removed to save fabric and metal. The Arcuate stitching design is removed as the thread is decorative only and not vital to the usefulness of the garment. In order to keep the design on the pants, LS&CO. sewing machine operators paint it on each pair.
During World War II the U.S. government told the company that it could not stitch its “Arcuate” back pocket design on the 501® jeans, because it was decorative and not a functional use of thread, an essential item for the war effort. So, LS&CO. painted the Arcuate stitching on the pockets of the 501® (men’s) and 701® (women’s) jeans “For The Duration” of the war.
Above Image Courtesy of Levi's. This marketing item was used to help explain the Ware Production Board General Limitation Order No. L181 and its effect on the jeans.
In 1943, the Arcuate stitching design is registered as a trademark.
Circa 1947
The post-war version of the 501® jeans starts coming off the production line. The cinch is gone forever, the rivets are put back on the watch pocket and the Arcuate is now stitched with a double-needle machine which gives it the “diamond” shape at the point where the two lines of stitching meet. This creates the uniform look of the Arcuate, which is in contrast to previous years, when the single needle application gave each Arcuate design a unique appearance, depending on the skill of the operator.
Batwing
The Batwing logo, which mirrors the Arcuate Design stitching on the pockets of Levi’s® jeans, has become synonymous with Levi’s® authenticity and quality.
Original article: here
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