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 = '16') AND (category.subclass = '42R') ORDER BY specimen ASC, date, patent, type

Total of 8 patents found where: Class is '16'; Subclass is '42R';

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
 1899
U 632,851 September 12, 1899 Bedstead Insulator
Glass insulator for bed legs
SELLERS, William
Piano  
 1905
U 779,402 January 10, 1905 Glass Base for Furniture
Glass insulator for furniture legs
ABRAMS, Mary I.
Piano  
 1917
U 1,221,225 April 3, 1917 Floor Protecting Attachment for Furniture
Cup of wood or rubber to hold caster wheel and sheet metal insert to secure caster from movement
SCHAUERMANN, Edward
Piano The Hold Fast Caster Cup Co.
 1920
U 1,345,987 July 6, 1920 Cushion Support
Square of layered rubber with depression in the center to hold caster wheel from movement
BOCKING, Frederick William
Piano  
 1921
U 1,374,029 April 5, 1921 Tone Foot for Phonographs
A rubber base with glass insert to support phonograph legs
PRICKETT, William H.
Piano  
 1924
U 1,494,766 May 20, 1924 Insulating Support
Battery rest insulator sitting on a foot to allow movement
BENJAMIN, Edward O.
Battery International Oxygen Co.
 1925
U 1,562,817 November 24, 1925 Piano Glide
Glass shell with bottom made of polished hardwood to aid in moving piano and act as an insulator
WISMER, George C.
Piano  
 1928
U 1,670,853 May 22, 1928 Piano Insulator
Glass base with metal and rubber cup to support the piano leg
GEBHARD, Carl
Piano  

Total of 0.01 seconds