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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 = '248') AND (category.subclass = '228.1') ORDER BY date ASC, patent, type

Total of 10 patents found where: Class is '248'; Subclass is '228.1';

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T / S Patent Date Description Patentee Category Assigned To
U Specimen known 878,679 February 11, 1908 Support for Insulators
Pin, cast iron with U-bolt to clamp on crossarm (Smith-Grip pin)
SMITH, William N.
U 1,097,414 May 19, 1914 Adjustable Insulator Support
Bracket, metal to fit around crossarm for two insulators
FORT, Louis
U 1,110,496 September 15, 1914 Insulator Support for Electric Wires
Pin and metal bracket to fit around crossarm
KOBERT, Frank P.
Pin Barnes & Kobert Mfg. Co.
U 1,147,065 July 20, 1915 Insulator Clamp and Bracket
Steel bracket and pin combination that fits around the crossarm
ZIEG, Joseph
U 1,202,885 October 31, 1916 Insulator Pin
Pin, metal with bolting bracket and spring for threads
PEIRCE, JR., Charles L.
Pin 1/2 to Hubbard & Co.
U 1,583,462 May 4, 1926 Supporting Pin for Insulators
Pin bracket that fits around and bolts to crossarm
Pin Line Material Co.
U 1,586,642 June 1, 1926 Insulator Pin
Steel pin and bracket combination stamped out of sheet metal and bolted around the crossarm
ARNDT, John P.
U 1,670,429 May 22, 1928 Pin for Insulators
Steel pin and bracket combination stamped out of sheet metal and bolted around the crossarm
ARNDT, John Philip
U Specimen known 1,690,596 November 6, 1928 Insulator Pin
Steel pin with saddle and U-bracket to secure to the crossarm
U 2,222,810 November 26, 1940 Clamp for Connecting an Insulator to a Post
Electric fence with bracket to attach an easily adjustable insulator to a T-post
DAILY, Floyd H.

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