| 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 = '209') ORDER BY date ASC, patent, type |
Total of 4 patents found where: Class is '403'; Subclass is '209';
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 |
| 1916 | ||||||
| U | 1,206,158 | November 28, 1916 | Safety Strain Insulator Suspension made of Electrose with special interlocking links |
STEINBERGER, Louis |
Suspension | |
| 1918 | ||||||
U  |
1,257,135 | February 19, 1918 | Guying-Pole Cast iron member with three lugs for threadhing through guy cable on either side of the guy strain insulator which eliminates the need for clamps and is easier to install. |
SHULL, Frederick G. DE RIGHT, Elon J. |
Guy Strain | (marketed by the Shull Boltless Clamp Corp.) |
| U |
1,284,974 | November 19, 1918 | Strain Insulator Strain, guy insulator attachment |
AUSTIN, Arthur O. |
Strain | The Ohio Brass Co. |
| 1935 | ||||||
| U | 1,998,406 | April 16, 1935 | Insulator Suspension Hardware Links for Hewlett type suspension disks |
GOUVERNEUR, Minor F. H. |
Suspension | Locke Insulator Corp. |
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