|
The ornamental design for a swimming pool chemical dispenser, as shown. |
|||||||||||||||||
FIG. 1 is a front perspective view of a swimming pool chemical dispenser showing our new design with the top fully closed;
FIG. 2 is a top plan view thereof with the top partially open;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof, the adjacent sides being substantially similar in appearance.
FIG. 5 is a top plan view thereof with the top fully closed; and
FIG. 6 is a bottom plan view thereof.
Milford, Alan H., Sangster, Arlon G.
| Patent | Priority | Assignee | Title |
| D309493, | Sep 16 1988 | ARCH CHEMICALS, INC | Chlorine dispenser for swimming pools |
| D326309, | Sep 05 1989 | Chemical dispenser | |
| D328332, | Apr 04 1990 | ARCH CHEMICALS, INC | Container for swimming pool chemical tablets |
| D328333, | Oct 30 1990 | ARCH CHEMICALS, INC | Container for swimming pool chemical tablets for use in skimmers, floaters or feeders |
| D335704, | Mar 27 1990 | ARCH CHEMICALS, INC | Partially shell encased swimming pool chemical tablet |
| D559944, | May 31 2006 | KOKIDO DEVELOPMENT LIMITED | Floating swimming pool chlorinator |
| Patent | Priority | Assignee | Title |
| 4208376, | Mar 13 1978 | Olin Corporation | Water treatment chemical dispenser with control tube |
| D269802, | Apr 24 1981 | Olin Corporation | Swimming pool chemical dispenser or the like |
| D273033, | Apr 24 1981 | OLIN CORPORATION, A VA CORP | Swimming pool chemical dispenser or the like |
| D274837, | Jul 24 1980 | VAPORTEK, INC , A CORP OF WI | Air purifier |
| D281010, | Jan 24 1983 | Airwick Industries, Inc. | Dispenser for air treating material |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Oct 23 1984 | MILFORD, ALAN H | OLIN CORPORATION A CORP OF VA | ASSIGNMENT OF ASSIGNORS INTEREST | 004345 | /0408 | |
| Oct 25 1984 | SANGSTER, ARLON G | OLIN CORPORATION A CORP OF VA | ASSIGNMENT OF ASSIGNORS INTEREST | 004345 | /0408 | |
| Dec 11 1984 | Olin Corporation | (assignment on the face of the patent) | / | |||
| Mar 11 1999 | Olin Corporation | ARCH CHEMICALS, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009790 | /0242 |
| Date | Maintenance Fee Events |
| Date | Maintenance Schedule |