|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 = '264') AND (category.subclass = '271.1') ORDER BY date ASC, patent, type|
Total of 3 patents found where: Class is '264'; Subclass is '271.1';
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|
|U||1,348,248||August 3, 1920||Disk Suspension Insulator
Suspension, Electrose similar to Hewlett
|U||1,925,211||September 5, 1933||Art of Assembling Insulators
Method of cementing pin in suspension insulator to remove air
|SMITH, William A.
||Suspension||The Ohio Brass Co.|
|U||3,054,704||September 18, 1962||Insulator Assembly Method and Apparatus
Suspension, method of sealing cement to improve strength during curing
|RUOFF, George M.
||Suspension||A. B. Chance Co.|
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