|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 = '256') AND (category.subclass = '54') ORDER BY date ASC, patent, type|
Total of 21 patents found where: Class is '256'; Subclass is '54';
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||2,056||April 19, 1841||Improvement in the Mode of Connecting the Rods of Lightning Conductors, Etc.
Lightning rod attached to building with a hook clip
|STRONG, Justin E.
|U||491,208||February 7, 1893||Insulator Clip
Tie wire clip
|EDMUNDS, William H.
|U||504,059||August 29, 1893||Insulator
CD 141.6, bail type clamping lever to hold line wire
|BLACKBURN, George W.
|U||508,687||November 14, 1893||Cleat for Electric Wiring
Cleat (2-wire) - 2 piece
|DUGGAN, Frederic A.
|U||552,501||December 31, 1895||Insulator
Self-tying clamp with cam lever (see 805,169)
|SNIVELY, Charles H.
|U||583,692||June 1, 1897||Insulator
Clamp type with lag screw
|U||584,235||June 8, 1897||Insulator for Telegraph or Other Electric Wires
Clamp type in holder of similar shape to Cutter
|NESMITH, Christopher C.
ARNETT, George F.
|U||609,888||August 30, 1898||Clamp for Electric Wires
Tie wire clamp with wing nut
|LEONARD, Sylvester S.
|U||619,915||February 21, 1899||Tie-Wire or Clasp for Insulators
Tie wire clip
|WENTWORTH, Fred W.
||Tie Wire||The Inventor's Novelty Mfg. Co.|
|U||660,140||October 23, 1900||Insulator
Clamp type ribbed cylindrical 2-piece
||Clamp Type||1/3 to C. Miller & H. Wagner|
|U||664,176||December 18, 1900||Electric Insulator
Knob - self-tying via screw cap
|U||726,651||April 28, 1903||Electric Wire Support
Glass insert in crossarm to insulate a steel pin that supports the conductor
|U||726,846||May 5, 1903||Insulator for Electric Wires
U-181 & CD 207 (sim) self-tying screw top (see 664,432)
|BELL, Joseph R.
|U||746,671||December 15, 1903||Insulator
Self-tying via pivoted locking dogs
|U||864,599||August 27, 1907||Insulator Tie for Electric Wires
Tie wire clamp
|BECKETT, James W.
BECKETT, William R.
|U||919,386||April 27, 1909||Insulator
Nail knob made by Cook Pottery Co. known as the ""Wedge"" for holding two wires (see article 7273)
|U||942,086||December 7, 1909||Support and Insulator
Complicated insulator made of two plates of glass secured in a wooden box
|LINDSAY, Edward F.
|U||965,723||July 26, 1910||Insulator
nail-knob with ball holder. Known as the Paragon knob, which was sold by the Paragon Electric Co.
|MALTHANER, John F.
|U||1,042,199||October 22, 1912||Wire Clamp
Tie wire loop and lever
|CARROLL, Harry L.
|U||1,067,246||July 15, 1913||Wire Clamp for Insulators
Tie wire camming lever
|HUBBARD, John H.
||Tie Wire||1/2 to H. A. Dusky|
|U||2,450,730||October 5, 1948||Post and Insulator for Electric Fences
Electric fence composed of a rod and adjustable insulator to hold the conductor
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