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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 = '174') AND (category.subclass = '153G') ORDER BY date ASC, patent, type

Total of 8 patents found where: Class is '174'; Subclass is '153G';

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T / S Patent Date Description Patentee Category Assigned To
 1892
U Specimen known 476,964 June 14, 1892 Insulating Tube for Electric Conductors
Wall tube Patent was owned by Pass & Seymour.
SEYMOUR, Albert P.
Wall Tube  
 1898
U 607,315 July 12, 1898 Insulator
Wall tube of two split pieces [Scientific American 8-6-1898]
WINGARD, Charles L.
Wall Tube 1/2 to Luella Wingard
 1901
U 684,909 October 22, 1901 Insulating Bushing
Bushing
COLE, John A.
Bushing  
 1904
U 773,733 November 1, 1904 Insulator
Wall tube with ribs and metal clip
GREENE, Leon W.
Wall Tube  
 1906
U 830,501 September 11, 1906 Protecting Bushing for Electric Circuit Wires
Bushing with screw threads
GOEHST, John H.
Bushing Federal Electric Co.
 1913
U 1,056,392 March 18, 1913 Insulator
Bushing
BARR, Carl A.
KOREN, Jerome H.
Bushing  
U 1,080,257 December 2, 1913 Insulator
Wall tube with metal clip
BRUCHSALER, Karl
Wall Tube  
 1914
U 1,099,374 June 9, 1914 Insulator
Block in crossarm
HUNTER, Ira
Block 2/3 to Rafferty, 1/3 to Wells

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