Search the Insulator Patent Reference Library:

Build your search criteria. The patent must match all the values specified.
Select patent types: Utility   Design   Reissue
Patent number:
Date:
Year between: and
Patentee starting with:
City:
State:
Assigned To starting with:
Description containing:
Category:
Class:    Subclass:
Click Search when complete:
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 = '219.3') ORDER BY assigned_to ASC, date, patent, type

Total of 6 patents found where: Class is '248'; Subclass is '219.3';

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 932,570 August 31, 1909 Supporting Pin for Insulators
Pin, metal mounted to side of pole
PERRINE, Frederic A. C.
Pin  
 L. E. Lindsey
U Specimen known 3,329,767 July 4, 1967 Insulator Mounting Bracket
A cantilever mounting bracket for supporting line post insulators horizontally
LINDSEY, L. E.
SAMMONS, Herbert F.
Bracket L. E. Lindsey
 Line Material Co.
U 2,260,917 October 28, 1941 Insulator Pin
Steel pin with flanges to fit in top and bottom of hole drilled for larger wooden pins
RUGGIERI, Michael
Pin Line Material Co.
 Locke Insulator Corp.
U 1,714,814 May 28, 1929 Pole Bracket
Steel bracket for pole top that supports insulator pin on side of pole
PLIMPTON, Bentley A.
Bracket Locke Insulator Corp.
 N. Slater Co., LTD
U 2,757,224 July 31, 1956 Transposition Bracket
Transposition bracket
MILNE, Winford G.
RIDGERS, Frederick G.
Transposition N. Slater Co., LTD
 W. N. Matthews & Brother Inc.
U 1,184,336 May 23, 1916 Combination Wire Support for Electric Distribution
Pin bracket for poles
FAY, John L.
Bracket W. N. Matthews & Brother Inc.

Total of 0.01 seconds