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 = '337') AND (category.subclass = '211') ORDER BY patent ASC, type

Total of 4 patents found where: Class is '337'; Subclass is '211';

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
 1917
R Specimen known 14,416 December 25, 1917 Fuse Device
Reissue of patent 1,144,732 for fuse holder with knife insert. (see patent 1,144,732)
SCHWEITZER, Edmund O.
HERZ, Alfred
Fuse Holder  
 1895
U 547,591 October 8, 1895 Switch and Fuse Box
Fuse cut-out or holder for transformer with plug that acts like a switch.
SMITH, Joseph Brodie
Fuse Holder  
 1897
U 595,585 December 14, 1897 Fuse Block
Fuse cutout
SCHUTT, Duny A.
Fuse Holder The Peru Electric Mfg. Co.
 1917
U 1,222,952 April 17, 1917 Fuse Device
Fuse holder with plug insert to hold the fuse. (see reissue 14,844)
HERZ, Alfred
Fuse Holder 1/2 to Edmund O. Schweitzer

Total of 0.01 seconds