| 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 = '361') ORDER BY date ASC, patent, type |
Total of 4 patents found where: Class is '403'; Subclass is '361';
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 |
| 1867 | ||||||
U  |
64,654 | May 14, 1867 | Improvement in Insulators CD 732.2, threadless insulator with enlarged chamber for slotted pin (CJ 6-93-12) |
FLOYD, George |
Insulator | |
| 1880 | ||||||
| R | 9,484 | November 30, 1880 | Telegraph Insulator Hook with metal case secured to crossarm (see 75,889) |
FINN, John L. |
Hook | Amzi S. Dodd and Chinnock Electric Co. |
| 1921 | ||||||
| U | 1,398,937 | November 29, 1921 | Suspension Insulator A suspension insulator with pressed on metal cap and special pin that does not require cement. |
CAROLUS, Max |
Suspension | |
| 1927 | ||||||
| U | 1,625,266 | April 19, 1927 | Rod Coupling Lightning rod made solid with parallel fins and connected by coupling with matching male and female threads crimped over the ends of the rod sections |
MAST, Charles O. |
Lightning Rod Coupling | Mast Lightning Rod Co. |
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