Cover plate for a filter cartridge for a spa or swimming pool water filter
Description
FIG. 1 is a top perspective view of a cover plate for a filter cartridge for a spa or swimming pool water filter showing my new design;
FIG. 2 is a top plan view thereof, on a reduced scale;
FIG. 3 is a front elevation view thereof on a reduced scale, the adjacent sides and rear being identical in appearance; and
FIG. 4 is a right or left side elevation view thereof, on a reduced scale.
The broken line showing of a filter cartridge in FIGS. 3 and 4, is for illustrative purposes only and forms no part of the claimed design.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
| D160649 | October 1950 | Muller-Munk |
| D180928 | September 1957 | Bliss |
| D294167 | February 9, 1988 | Meissner |
| 586709 | July 1897 | Kunzel, Jr. |
| 2218339 | October 1940 | Manning |
| 3392843 | July 1968 | Mumby |
| 3506475 | April 1970 | MacDonnell |
| 3520417 | July 1970 | Durr et al. |
| 3867294 | February 1975 | Pall et al. |
| 4425720 | January 17, 1984 | Elevitch |
| 680211 | October 1952 | GBX |
- Schoner Wohnen, Aug. 1980, p. 84, Pot Cover A, middle of page.
Patent History
Patent number: D306199
Type: Grant
Filed: Feb 25, 1987
Date of Patent: Feb 20, 1990
Assignee: Meissner Mfg. Co., Inc. (Sun Valley, CA)
Inventor: Paul J. Meissner (Camarillo, CA)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Law Firm: Christie, Parker & Hale
Application Number: 7/18,976
Type: Grant
Filed: Feb 25, 1987
Date of Patent: Feb 20, 1990
Assignee: Meissner Mfg. Co., Inc. (Sun Valley, CA)
Inventor: Paul J. Meissner (Camarillo, CA)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Law Firm: Christie, Parker & Hale
Application Number: 7/18,976
Classifications
Current U.S. Class:
Filter Or Strainer (2) (D23/209)