|
The ornamental design for a vacuum control valve, as shown and described. |
|||||||||||||||||
FIG. 1 is a front elevational view showing a vacuum control valve according to the present invention;
FIG. 2 is a rear elevational view showing the valve of FIG. 1;
FIG. 3 is a top plan view showing the valve of FIG. 1;
FIG. 4 is a bottom plan view showing the valve of FIG. 1;
FIG. 5 is a right side elevational view showing the valve of FIG. 1; and,
FIG. 6 is a left side elevational view showing the valve of FIG. 1.
The cords in FIGS. 3,5 and 6 are shown broken away to indicate indeterminate length.
Kagohashi, Hiroshi, Ito, Tomohiro, Ikeo, Toshihiro
| Patent | Priority | Assignee | Title |
| D558859, | Jul 07 2006 | SMC Corporation | Flow control valve |
| D562436, | Jul 07 2006 | SMC Corporation | Flow control valve |
| D623269, | Dec 02 2008 | SMC Corporation | Vacuum control valve |
| D623270, | Dec 02 2008 | SMC Corporation | Vacuum control valve |
| Patent | Priority | Assignee | Title |
| 4795131, | Oct 24 1986 | THERMO FIBERTEK INC | Vacuum controller |
| 5615701, | Jun 07 1993 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Vacuum valve control device and vacuum valve |
| 5651528, | May 09 1994 | Unaxis Balzers Aktiengesellschaft | Vacuum valve |
| 5848608, | Nov 14 1995 | SMC Corporation | Vacuum-pressure-control slow exhaust valve |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Oct 22 1999 | CKD Corporation | (assignment on the face of the patent) | / | |||
| Feb 21 2000 | IKEO, TOSHIHIRO | CKD Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010861 | /0930 | |
| Feb 21 2000 | KAGOHASHI, HIROSHI | CKD Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010861 | /0930 | |
| Feb 21 2000 | ITO, TOMOHIRO | CKD Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010861 | /0930 |
| Date | Maintenance Fee Events |
| Date | Maintenance Schedule |