| 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 = '174') AND (category.subclass = '153R') ORDER BY date ASC, patent, type |
Total of 6 patents found where: Class is '174'; Subclass is '153R';
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 |
| 1866 | ||||||
| U | 58,594 | October 9, 1866 | Improvement in Telegraph Insulators Hook with metal shell fastened at right angle to pole |
BURNAP, William H. BRASSINGTON, John D. |
Hook | |
| 1896 | ||||||
| U | 568,060 | September 22, 1896 | Insulator Cylindrical block in crossarm |
WOOD, William |
Cylinder | |
| 1898 | ||||||
| U | 608,906 | August 9, 1898 | Insulation of Electric Wires Uses glass tube sealed from the weather to allow conductor to enter a building (see reissue 11,759)) |
POCHE, Joseph Arthur |
Wall Tube | |
| 1899 | ||||||
| R | 11,759 | July 11, 1899 | Insulation of Electric Wires Uses glass tube sealed from the weather to allow conductor to enter a building (see 608,906) |
POCHE, Joseph Arthur |
Wall Tube | |
| U | 637,282 | November 21, 1899 | Electric Insulator Tube of asbestos to lead conductor through a wall is made water tight (see 608,906) (see 615,896) |
POCHE, Joseph Arthur |
Insulator | |
| 1963 | ||||||
| U | 3,116,362 | December 31, 1963 | Insulating Bushing Assembly with Spring Retaining Means Porcelain bushing with a retaining spring. |
RANKIN, Lawrence H. |
Bushing | The Hartford Faience Co. |
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