| 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 = '72') ORDER BY date ASC, patent, type |
Total of 6 patents found where: Class is '248'; Subclass is '72';
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 |
| 1891 | ||||||
| U | 463,756 | November 24, 1891 | Wire Hanger Wire hanger using two spool insulators in a bracket to secure the line wire |
JACOBS, Charles A. |
Hanger | |
| 1909 | ||||||
U  |
928,010 | July 13, 1909 | Cross Arm Fitting and Insulator Support Steel bracket that fits and clamps around the crossarm, specimens manufactured by St. Louis Malleable Casting Co., St. Louis, MO |
WAY, Sylvester B. |
Bracket | |
| 1912 | ||||||
| U | 1,026,711 | May 21, 1912 | Sheet Metal Insulator Pin Pin, metal composed of three flat strips |
SHOVER, Barton R. |
Pin | |
| U | 1,030,574 | June 25, 1912 | Insulator Supporting Device Bracket (metal) that slides along crossarm for insulator above and below crossarm |
ETTE, Charles G. |
Bracket | Ette Investment Co. |
| 1917 | ||||||
| U | 1,212,673 | January 16, 1917 | Insulator Supporting Bracket Bracket, sheet metal U-shaped to fit over crossarm and threads made of a spring to secure insulator |
PEIRCE, JR., Charles L. |
Bracket | 1/2 to Hubbard & Co. |
| 1945 | ||||||
| U | 2,386,129 | October 2, 1945 | Self-Attaching Wire Holder Self-tying wireholder mounted on metal bracket |
MAACK, Walter Henry |
Wireholder/self-typing | |
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