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Shellbriar & Tanshell, Patents 1917-1954: Difference between revisions
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Shellbriar & Tanshell, Patents 1917-1954 (view source)
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*In the patents era the patent was printed on the tube. | *In the patents era the patent was printed on the tube. | ||
*The year of registration of the patent is immediately after the bar, but does not mean that it was used in the same year. In some cases, the concession occurred the following year. Example: Pat (USA). Nº 1130806/15, registered in 1913 and applied in 1915 or, Pat. Nº 119708/17 that was registered in 1917 but applied in 1918. | *The year of registration of the patent is immediately after the bar, but does not mean that it was used in the same year. In some cases, the concession occurred the following year. Example: Pat (USA). Nº 1130806/15, registered in 1913 and applied in 1915 or, Pat. Nº 119708/17 that was registered in 1917 but applied in 1918. | ||
*Some Patents Attachments: [https://pipedia.org/images/9/9a/1861910.pdf Patent. N. 1861910] / [https://pipedia.org/images/0/06/1343253.pdf Patent. N. 1343253] / [https://pipedia.org/images/f/fa/1130806.pdf Patent. N. 1130806] / [https://pipedia.org/images/c/c6/1341418.pdf Patent. N. 1341418] courtesy Jeff Folloder. | |||
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