U.S. patent number D405,449 [Application Number D/081,155] was granted by the patent office on 1999-02-09 for headphone. This patent grant is currently assigned to Sony Corporation. Invention is credited to Mitsuhiro Nakamura, Hirohisa Tanaka.
United States Patent | D405,449 |
Nakamura , et al. | February 9, 1999 |
Inventors: | Nakamura; Mitsuhiro (Tokyo, JP), Tanaka; Hirohisa (Tokyo, JP) |
---|---|
Assignee: | Sony Corporation (Tokyo,
JP) |
Appl. No.: | D/081,155 |
Filed: | December 23, 1997 |
Current U.S. Class: | D14/205 |
Current International Class: | 1401 |
Field of Search: | ;D14/192,205,206,223,249 ;181/129,130,137 ;379/430,431,444 ;381/25,68,158,183,187 |
D316861 | May 1991 | Yoda et al. |
D348465 | July 1994 | Yamatogi |
D358389 | May 1995 | Isono |
D358391 | May 1995 | Isono |
D369611 | May 1996 | Saito |
Sony Catalog 84, "Cyber-shot", pp. 237, 238 (Nov. 1996). . Sony Headphone/Active Speaker System Catalog, "WARP/Street Style", p. 10 (Jul. 1997). . Sony Style catalog, spring/summer 1993, p. 283, MDR-A22L Vertical in-the-air Stereo Headphone, 1993.. |
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.