| 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 = '346.11') ORDER BY date ASC, patent, type |
Total of 10 patents found where: Class is '248'; Subclass is '346.11';
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| T / S | Patent | Date | Description | Patentee | Category | Assigned To |
| 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 | |
| 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 |
| 1902 | ||||||
| U | 700,977 | May 27, 1902 | Support for Pianos Glass caster cup for pianos |
OLSEN, Andreas |
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 | |
| 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 | |
| 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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