| 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 = '345') ORDER BY specimen ASC, date, patent, type |
Total of 4 patents found where: Class is '403'; Subclass is '345';
View a patent by clicking on the patent number. You can sort by any of the columns by clicking on the column name.
| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 1893 | ||||||
| U | 510,837 | December 12, 1893 | Lightning Rod Ornament Lightning rod ornamental ball with bushing to secure the ball around the rod |
COLE, John J. |
Lightning Rod Ornament | |
| 1908 | ||||||
| U | 883,823 | April 7, 1908 | Insulator Support Pin with coiled spring for threads |
PEIRCE, JR., Charles L. |
Pin | Peirce Specialty Co. |
| 1916 | ||||||
| U | 1,169,011 | January 18, 1916 | Insulator Glass insulator with internal reinforcement for strength |
COOK, Harry A. |
Glass | |
| 1925 | ||||||
| U | 1,558,268 | October 20, 1925 | Coupling for Sectional Rods Lightning rod coupling the fits over spiralled rods and crimps tight against the end and screws to other couplings (see 1,140,052) |
MAST, Louis L. |
Lightning Rod Coupling | |
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