|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 = '411') AND (category.subclass = '411') ORDER BY category ASC, date, patent, type|
Total of 4 patents found where: Class is '411'; Subclass is '411';
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|T / S||Patent||Date||Description||Patentee||Category||Assigned To|
|U||830,501||September 11, 1906||Protecting Bushing for Electric Circuit Wires
Bushing with screw threads
|GOEHST, John H.
||Bushing||Federal Electric Co.|
|U||1,045,536||November 26, 1912||Insulator Pin
Pin (metal) with elastic washer under threads to firmly hold insulator, prevent breakage
|ETTE, Charles G.
||Pin||Ette Investment Co.|
|U||1,095,860||May 5, 1914||Insulator Holder
Pin composed of metal wire
|HEFFNER, Herman C.
|U||1,202,419||October 24, 1916||Insulator Supporting Pin
Pin, metal with bolting bracket and spring for threads
|PEIRCE, JR., Charles L.
||Pin||1/2 to Hubbard & Co.|
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