Chemical vaporizer
Description
Claims
The ornamental design for a chemical vaporizer, as shown and described.
Referenced Cited
U.S. Patent Documents
| D286323 | October 21, 1986 | Haworth |
| D296819 | July 19, 1988 | Suhajda |
| D296820 | July 19, 1988 | Suhajda |
| D314844 | February 19, 1991 | Baharad |
| 5065272 | November 12, 1991 | Owen et al. |
| D326512 | May 26, 1992 | Bianco |
| D326518 | May 26, 1992 | Verebelyi |
| D327121 | June 16, 1992 | Ramsey et al. |
| D337817 | July 27, 1993 | Brock |
| D355961 | February 28, 1995 | Cunning |
| 5601636 | February 11, 1997 | Glucksman |
| D391369 | February 24, 1998 | Anderson |
| D392733 | March 24, 1998 | Gatzemeyer et al. |
| D400973 | November 10, 1998 | Hall et al. |
| D433091 | October 31, 2000 | Carey et al. |
| D464720 | October 22, 2002 | Lohkamp |
| D485340 | January 13, 2004 | Wu |
| D517673 | March 21, 2006 | Yamamoto et al. |
| D528643 | September 19, 2006 | Wang |
Patent History
Patent number: D552723
Type: Grant
Filed: Jun 20, 2006
Date of Patent: Oct 9, 2007
Assignee: Dainihon Jochugiku Co., Ltd. (Osaka-shi)
Inventors: Tetsuo Sakata (Tokyo), Tsuguhiko Morinaga (Osaka)
Primary Examiner: Louis Zarfas
Assistant Examiner: David G. Muller
Attorney: Oliff & Berridge, PLC
Application Number: 29/261,721
Type: Grant
Filed: Jun 20, 2006
Date of Patent: Oct 9, 2007
Assignee: Dainihon Jochugiku Co., Ltd. (Osaka-shi)
Inventors: Tetsuo Sakata (Tokyo), Tsuguhiko Morinaga (Osaka)
Primary Examiner: Louis Zarfas
Assistant Examiner: David G. Muller
Attorney: Oliff & Berridge, PLC
Application Number: 29/261,721
Classifications
Current U.S. Class:
Vaporizer (D23/360)