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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 = 'D13') AND (category.subclass = '130') ORDER BY date ASC, patent, type

Total of 25 patents found where: Class is 'D13'; Subclass is '130';

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T / S Patent Date Description Patentee Category Assigned To
 1865
U Specimen known 48,906 July 25, 1865 Improvement in Insulators for Telegraph Wires
Threads formed internally for screw pin (see reissue 3,847 on 2-22-1870)
CAUVET, Louis A.
Thread  
 1877
D Specimen known 9,858 March 20, 1877 Design for Telegraph Insulator
Telegraph insulator
BROOKFIELD, James M.
Pin-type  
D 9,956 May 8, 1877 Design for Telegraph Insulators
Telegraph insulator
BROOKFIELD, James M.
Pin-type  
 1879
D Specimen known 10,981 January 14, 1879 Design for Telegraph Insulator
CD 102 ""pony"" telegraph insulator
BROOKFIELD, James M.
Pin-type  
 1884
D Specimen known 14,674 February 12, 1884 Design for an Insulator
CD 145 beehive design
OAKMAN, Samuel
Pin-type  
 1893
D 22,876 November 7, 1893 Design for an Insulator
Square flat insulator with large center hole and small hole in each corner
WRIGHT, Augustus
Misc  
 1896
D 26,323 November 24, 1896 Design for an Insulator
High tension insulator
LOCKE, Fred M.
Pin-type  
 1898
D 28,355 March 8, 1898 Design for an Insulator
Insulator (composition?) with round end on pin
MCCARTHY, Louis
Misc  
D 28,356 March 8, 1898 Design for an Insulator
Insulator (composition?) similar to lightning rod ball
MCCARTHY, Louis
Misc  
 1899
D Specimen known 30,637 April 25, 1899 Design for an Insulator
CD 249, CD 282, CD 283, CD 303.5 ""Provo"" insulator
CONVERSE, Vernon G.
Pin-type Hemingray Glass Co.
D Specimen known 31,798 November 7, 1899 Design for an Insulator
CD 143 with diagonal spiral ridges
WITHYCOMBE, Frederick H.
Pin-type 11/20 to Clement Henry McLeod
D Specimen known 31,799 November 7, 1899 Design for an Insulator
CD 121 and CD 143 with vertical ridges
WITHYCOMBE, Frederick H.
Pin-type 11/20 to Clement Henry McLeod
 1902
U Specimen known 700,463 May 20, 1902 Insulator for Electric Circuits
CD 301, CD 321 & U-938 (Strengthening ribs skirt to petticoat)
WALTHER, William J.
Insulator  
 1908
U 876,939 January 21, 1908 Insulator
Cylinder, solid ribbed, to support wire
BUCK, Harold W.
Cylinder  
 1914
D Specimen known 45,172 January 20, 1914 Design for an Insulator
Strain
WHITE, Thomas C.
Strain  
 1915
D 47,208 April 13, 1915 Design for an Insulator
Suspension insulator
AUSTIN, Arthur O.
Suspension  
D 48,174 November 23, 1915 Design for an Insulator Body for Trolley Wire Hangers
Knob with mounting hole and square opening at top
FOX, Alexander Lee
Knob  
 1923
U 1,458,756 June 12, 1923 Strain Insulator
Strain insulator with improved method of connecting the metal caps
GODDARD, Walter T.
Strain Locke Insulator Corp.
 1924
U 1,491,385 April 22, 1924 Insulator
Wall or roof bushing to bring conductor into the building
FACCILOI, Giuseppe
Miscellaneous General Electric Co.
 1933
U 1,934,308 November 7, 1933 Insulator Support
Bracket mounted horizontally to hold a spool insulator
HOIT, Julian D.
Bracket National Electric Products Corp.
 1939
D 114,352 April 18, 1939 Design for an Electric Insulator
Suspension insulator
TAYLOR, John L.
Suspension  
D Specimen known 115,530 July 4, 1939 Design for a Porcelain Insulator
Fence knob (Wisconsin Porcelain Co. president)
STOHL, Ludwig A.
Knob Wisconsin Porcelain Co.
D 115,578 July 4, 1939 Design for a Porcelain Insulator
Fence knob (Wisconsin Porcelain Co. president)
STOHL, Ludwig A.
Knob  
 1940
D 121,705 July 30, 1940 Design for an Electric Fence Insulator
Fence knob
SMITH, Ralph R.
Knob  
 1948
U 2,443,436 June 15, 1948 Insulator
Suspension with moisture resistant cushion at bottom of cap and pin
TAYLOR, John J.
Suspension The Ohio Brass Co.

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