U.S. patent number D348,466 [Application Number D/000,286] was granted by the patent office on 1994-07-05 for headphone. This patent grant is currently assigned to Sony Corporation. Invention is credited to Katsumi Yamatogi.
United States Patent | D348,466 |
Yamatogi | * July 5, 1994 |
Inventors: | Yamatogi; Katsumi (Tokyo, JP) |
---|---|
Assignee: | Sony Corporation (Tokyo,
JP) |
[*] Notice: | The portion of the term of this patent subsequent to May 31, 2008 has been disclaimed. |
Appl. No.: | D/000,286 |
Filed: | October 13, 1992 |
Application Number | Filing Date | Patent Number | Issue Date | ||
---|---|---|---|---|---|
741828 | Aug 7, 1991 | D. 338010 | |||
Mar 9, 1991 [JP] | 3-9187 | |||
Current U.S. Class: | D14/205 |
Field of Search: | ;181/129 ;379/430,444 ;381/25,68,158,183,187 ;D14/205,206,223 |
D286772 | November 1986 | Pope |
D291198 | August 1987 | Bellini |
D297324 | August 1988 | Kohno |
D300133 | March 1989 | Daidoh et al. |
D305541 | January 1990 | Hirose |
D310081 | August 1990 | Daido et al. |
D316861 | May 1991 | Yoda et al. |
D319241 | August 1991 | Daido et al. |
D323167 | January 1992 | Yamazaki et al. |
D328074 | July 1992 | Yamazaki et al. |
5095382 | March 1992 | Abe |
Crutchfield Home Stereo, Jun. 1982 p. 71 Mura Redset VII Headphone. . W. Bell Co. 1987-1988 International Collection, p. 203, Sony Headphone, top right. . Evans 1988 Catalog, p. 278 Sony Lightweight Headphone, #8.. |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.