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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 = '267') AND (category.subclass = '170') ORDER BY date ASC, patent, type

Total of 1 patents found where: Class is '267'; Subclass is '170';

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T / S Patent Date Description Patentee Category Assigned To
 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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