| 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 = '305') ORDER BY date ASC, patent, type |
Total of 6 patents found where: Class is '403'; Subclass is '305';
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 |
| 1868 | ||||||
| U | 78,459 | June 2, 1868 | Improvement in Lightning Rods Means of connecting tubular lightning rods and supporting with rubber brackets |
KIRTLAND, George |
Lightning Rod Coupling | S. Smith |
| 1876 | ||||||
| U | 183,425 | October 17, 1876 | Improvement in Lightning Rods Coupling for twisted sheet metal lightning rod composed of hollow end to fit over end of rod and pinned to rod with matching threaded end so coupling parts can be screwed together |
SMITH, Charles H. |
Lightning Rod Coupling | |
| 1882 | ||||||
| U | 257,891 | May 16, 1882 | Lightning Rod Coupling Coupling for spiraling lightning rods that is strong and can be screwed together |
PATEE, Theodorus H. |
Lightning Rod Coupling | |
| 1884 | ||||||
| U | 297,290 | April 22, 1884 | Coupling for Lightning Rods Coupling for spiraling lightning rods such that each end of the rod is screwed into the other |
PATEE, Theodorus H. |
Lightning Rod Coupling | |
| 1894 | ||||||
| U | 518,793 | April 24, 1894 | Lightning Rod and Coupling Couple with internal threads to screw sections together |
SMITH, John W. |
Lightning Rod Coupling | |
| 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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