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 = '411') AND (category.subclass = '395') ORDER BY specimen ASC, date, patent, type

Total of 4 patents found where: Class is '411'; Subclass is '395';

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
 1912
U 1,013,250 January 2, 1912 Insulator Pin
Pin for mine insulator comprised of split sheet metal
WILSON, Walter J.
Pin  
U 1,022,121 April 2, 1912 Insulator Pin
Pin, metal with barbs to hold it in hole in crossarm
BOYLAND, Clarence Joseph
Pin  
 1936
U 2,032,017 February 25, 1936 Sheet Metal Insulator Support Pin and Method of Making the Same
Steel sheet metal pin easily manufactured
HOCHER, Andrew A.
LASHER, Marshall
Pin Hubbard and Co.
 1924
U Specimen known 1,487,355 March 18, 1924 Drawer Knob
Glass drawer knob with screw threads for screwing into the drawer
OVERMYER, Charles G.
Drawer Knob  

Total of 0.01 seconds