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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 = '343') ORDER BY specimen DESC, date, patent, type

Total of 7 patents found where: Class is '403'; Subclass is '343';

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T / S Patent Date Description Patentee Category Assigned To
U 192,718 July 3, 1877 Improvement in Couplings for Lightning Rods
Coupling for tubular lightning rods with male and female parts allowing the ends to be screwed together
SMITH, Charles H.
Lightning Rod Coupling  
R 8,304 June 25, 1878 Improvement in Couplings for Lightning Rods
Coupling for lightning rods where the ends can be screwed together (see 90,578)
REYBURN, William S.
HUNTER, Edmund A. W.
Lightning Rod Coupling 1/2 of Hunter's right to Byron P. Moulton
U 211,441 January 14, 1879 Improvement in Lightning Rod Couplings
Coupling for lightning rod that is cast in iron on the ends of the rods and provided with male and female threaded ends
TURNER, Edward S.
Lightning Rod Coupling  
U 282,562 August 7, 1883 Lightning Rod
Coupling for spiraling lightning rods that can be crimped over the ends of the rod to fit securely with the ribs of the rod
PATEE, Theodorus H.
Lightning Rod Coupling  
U 375,756 January 3, 1888 Lightning Rod
Coupling for lightning rods that allows each section to be screwed together
LAWSHE, Spencer R.
Lightning Rod Coupling  
U 2,082,566 June 1, 1937 Connector
Steel connector for strain, suspensions, and other insulators
BERNDT, Arthur A.
Connector Electroline Corp.
U 2,592,698 April 15, 1952 Insulator Supporting Pin and Cob
Steel pin with threaded cob made of cellulose acetate butyrate molded into threads (see reissue 23,885 on 10-5-1954)
Pin A. B. Chance Co.

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