SELECT DISTINCT patent.*, YEAR(date) as year FROM patent LEFT JOIN category ON category.patent = patent.patent AND category.type = patent.type WHERE (category.class = '403') AND (category.subclass = '364') ORDER BY date ASC, patent, type |
Total of 2 patents found where: Class is '403'; Subclass is '364';
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T / S | Patent | Date | Description | Patentee | Category | Assigned To |
1889 | ||||||
U | 400,464 | April 2, 1889 | Lightning Rod and Coupling Coupling burr with serrated ends that interlock with the rod sections |
LAWSHE, Spencer R. |
Lightning Rod Coupling | |
1916 | ||||||
U | 1,206,158 | November 28, 1916 | Safety Strain Insulator Suspension made of Electrose with special interlocking links |
STEINBERGER, Louis |
Suspension |
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