| 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 = '248') AND (category.subclass = '226.11') ORDER BY date ASC, patent, type |
Total of 3 patents found where: Class is '248'; Subclass is '226.11';
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 |
| 1908 | ||||||
| U | 883,823 | April 7, 1908 | Insulator Support Pin with coiled spring for threads |
PEIRCE, JR., Charles L. |
Pin | Peirce Specialty Co. |
| 1910 | ||||||
| U | 945,213 | January 4, 1910 | Insulator Clamp Bracket for pin that clamps around crossarm |
BLACKBURN, Jasper |
Bracket | |
| 1916 | ||||||
| U | 1,174,287 | March 7, 1916 | Insulator Support Pin - hollow metal & bolted to crossarm for CD 257 |
ROSENFELD, Mortimer C. |
Insulator | |
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