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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 = '403') AND (category.subclass = '353') ORDER BY date ASC, patent, type

Total of 6 patents found where: Class is '403'; Subclass is '353';

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T / S Patent Date Description Patentee Category Assigned To
 1910
U Specimen known 947,274 January 25, 1910 Suspension Device for Insulators
Suspension with ball and socket coupling		 AUSTIN, Arthur O.
 Suspension The Akron Hi-Potential Porcelain Co.
 1917
U 1,212,707 January 16, 1917 Detachable Connection for Chain Links
Link connectors for Electrose suspension disks		 STEINBERGER, Louis
 Suspension  
U 1,228,711 June 5, 1917 Connecting Device for Chain-Type Insulators
Suspension link coupling		 STEINBERGER, Louis
 Suspension  
 1928
U 1,657,924 January 31, 1928 Chain Link for Insulators
Link for Hewlett suspension insulator		 GOUVERNEUR, Minor F. H.
GOUVERNEUR, Fairfax H.
 Suspension Locke Insulator Corp.
 1929
U 1,712,900 May 14, 1929 Method of Making Forged Insulator Caps
Method to manufacture steel cap for suspension disks		 OSBORNE, David H.
 Manufacturing Locke Insulator Corp.
U Specimen known 1,716,963 June 11, 1929 Insulator
Suspension coupling device (see 1,329,770)		 JOHNSTON, Robert M.
 Suspension Jeffery-Dewitt Co.

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