Crystal unit
Description
Claims
The ornamental design for a crystal unit, as shown and described.
Referenced Cited
U.S. Patent Documents
| 4471259 | September 11, 1984 | Stoermer et al. |
| 5449965 | September 12, 1995 | Tsuru |
| 5596243 | January 21, 1997 | Tsuru et al. |
| 6229249 | May 8, 2001 | Hatanaka et al. |
| 6833654 | December 21, 2004 | Rubach |
| 7135810 | November 14, 2006 | Okajima |
| 7429759 | September 30, 2008 | Isokawa |
| 7521843 | April 21, 2009 | Naruse |
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| 20020123163 | September 5, 2002 | Fujii |
Patent History
Patent number: D630597
Type: Grant
Filed: Feb 4, 2009
Date of Patent: Jan 11, 2011
Assignee: Nihon Dempa Kogyo Co., Ltd. (Tokyo)
Inventor: Kozo Ono (Saitama)
Primary Examiner: Selina Sikder
Attorney: Edwards Angell Palmer & Dodge LLP
Application Number: 29/313,711
Type: Grant
Filed: Feb 4, 2009
Date of Patent: Jan 11, 2011
Assignee: Nihon Dempa Kogyo Co., Ltd. (Tokyo)
Inventor: Kozo Ono (Saitama)
Primary Examiner: Selina Sikder
Attorney: Edwards Angell Palmer & Dodge LLP
Application Number: 29/313,711
Classifications
Current U.S. Class:
Semiconductor, Transistor Or Integrated Circuit (24) (D13/182)