Vacuum pump rotor
Iwane March 4, 2
U.S. patent number D471,208 [Application Number D/134,208] was granted by the patent office on 2003-03-04 for vacuum pump rotor. This patent grant is currently assigned to Kashiyama Kougyou Industry Co., Ltd.. Invention is credited to Matsumi Iwane.
| United States Patent | D471,208 |
| Iwane | March 4, 2003 |
Vacuum pump rotor
Claims
The ornamental design for a vacuum pump rotor, as shown and described.
| Inventors: | Iwane; Matsumi (Komoro, JP) |
|---|---|
| Assignee: | Kashiyama Kougyou Industry Co.,
Ltd. (Tokyo, JP) |
| Appl. No.: | D/134,208 |
| Filed: | December 18, 2000 |
Foreign Application Priority Data
| Jun 16, 2000 [JP] | 2000-016463 | |||
| Current U.S. Class: | D15/7 |
| Current International Class: | 1502 |
| Field of Search: | ;D15/7-9 ;138/32 ;415/234,368 ;221/61 ;137/208 ;285/24,156,8,148.13,41,61,155,292,382,423 |
References Cited [Referenced By]
U.S. Patent Documents
| D258588 | March 1981 | Sugiura |
| D258589 | March 1981 | Sugiura |
| D264675 | June 1982 | Inaga et al. |
| D268112 | March 1983 | Sugiura |
| D353600 | December 1994 | Glass |
| D443281 | June 2001 | Sodergard |
Attorney, Agent or Firm: Armstrong, Westerman & Hattori, LLP
Description
FIG. 1 is a top plan view of a vacuum pump rotor showing my new design;
FIG. 2 is a front view thereof (rear view is the same as the front view);
FIG. 3 is a right side view thereof (left side view is the same as the right side view);
FIG. 4 is a bottom view thereof; and,
FIG. 5 is a cross-sectional view taken along the line 5--5 of FIG. 2.
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