| 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 = '84') ORDER BY date ASC, patent, type |
Total of 22 patents found where: Class is '84';
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 |
| 1859 | ||||||
| U | 24,294 | June 7, 1859 | Leg for Pianos Glass insert in a piano leg with hole for mounting a caster wheel |
GELIN, Felix GELIN, Charles |
Piano | |
| 1871 | ||||||
| U | 121,686 | December 5, 1871 | Improvement in Sounding Boards for Pianos Support for piano comprised of three layers of wooden boards |
TAYLOR, Edward L. |
Piano | |
| 1874 | ||||||
| U | 150,112 | April 21, 1874 | Improvement in Piano Forte Insulators Glass cup to insulate a piano leg from sending musical vibrations to the floor |
VIGNERON, Charles |
Piano | |
| U | 153,101 | July 14, 1874 | Improvement in Piano Sound Insulating Attachments Glass insert in a piano leg with hole for mounting a caster wheel |
MILLER, William R. |
Piano | |
| U | 155,099 | September 15, 1874 | Improvement in Insulators for Musical Instruments Insulator mounted between the top of the piano leg and the piano |
MILLER, William R. |
Piano | |
| 1875 | ||||||
| U | 159,342 | February 2, 1875 | Improvement in Piano Insulators Insulator mounted between the top of the piano leg and the piano |
MILLER, William R. |
Piano | |
| 1877 | ||||||
| U | 189,441 | April 10, 1877 | Improvement in Hollow Supports for Pianos Hollow block to support piano legs (see reissue 7,750) |
FAIRMAN, James |
Piano | |
| R | 7,750 | June 19, 1877 | Improvement in Piano Attachments Hollow block to support piano legs (see 189,441) |
FAIRMAN, James |
Piano | |
| 1880 | ||||||
| U | 228,962 | June 15, 1880 | Musical Instrument Insulator Glass insulator for piano legs |
WEIR, Charles S. |
Piano | |
| 1882 | ||||||
| U | 266,552 | October 24, 1882 | Insulator for Musical Instruments Hollow glass insulator for piano legs |
SYNAR, Joseph |
Piano | 2/3 to Henry B. Synar and John T. Synar |
| 1899 | ||||||
| U | 632,851 | September 12, 1899 | Bedstead Insulator Glass insulator for bed legs |
SELLERS, William |
Piano | |
| U | 639,016 | December 12, 1899 | Acoustic Supporting Base for Pianos Hollow glass insulator for piano legs |
BRONSON, Frank A. |
Piano | |
| 1900 | ||||||
| U | 641,493 | January 16, 1900 | Support for Musical Instruments Hollow glass insulator for piano legs with adjustable height |
BOORMAN, David |
Piano | |
| 1902 | ||||||
| U | 700,977 | May 27, 1902 | Support for Pianos Glass caster cup for pianos |
OLSEN, Andreas |
Piano | |
| 1903 | ||||||
| U | 743,672 | November 10, 1903 | Elastic Piano Support Piano leg support composed of a metal spring |
BAEUMLE, John |
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 | |
| 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 | |
| 1932 | ||||||
| U | 1,848,501 | March 8, 1932 | Caster Base Wood, cork, and felt support for piano legs |
STEVENS, Charles Whitney |
Piano | |
| 1955 | ||||||
| U | 2,699,628 | January 18, 1955 | Caster Cup Molded top supporting plate supported by resilent material |
AUER, Betty |
Piano | |
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