US3335867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screen filter assembly
Assignee: White Consolidated Industries Inc
•
Filing: 1965-10-05
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Granted: 1967-08-15
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Expires: 1985-10-05
Abstract
No abstract record available.
Inventors
- 👤 Richard L Perl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:58
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/26; A; A47; A47L; A47L15/00; A47L15/42; A47L15/4202; A47L15/4204
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A SCREEN FILTER ASSEMBLY FOR USE IN DISHWASHERS AND THE LIKE HAVING A PUMP ASSEMBLY MOUNTED IN THE BOTTOM WALL THEREOF, COMPRISING A PAIR OF MATING SCREEN FILTER UNITS ADAPTED TO BE MOUNTED IN SAID BOTTOM WALL FULLY AROUND SAID PUMP ASSEMBLY, EACH OF SAID UNITS COMPRISING AN UPPER FILTER SCREEN AND A LOWER FILTER SCREEN OPERATIVELY CONNECTED THERETO AND SPACED THEREFROM, MEANS FOR VERTICALLY SPACING EACH OF SAID FILTER UNITS FROM SAID BOTTOM WALL TO PROVIDE AN ANNULAR CHAMBER BETWEEN SAID WALL AND SAID LOWER SCREENS, PASSAGE MEANS FORMED IN EACH OF SAID FILTER UNITS RELATIVELY ADJACENT THE OUTER PERIPHERIES THEREOF FOR PASSING RELATIVELY COARSE FOOD PARTICLES REJECTED BY SAID UPPER SCREENS TO SAID ANNULAR CHAMBER, DISCHARGE MEANS COMMUNICATING WITH
Claim 2
Dependent Claim
121 words
A SCREEN FILTER ASSEMBLY FOR USE IN DISHWASHERS AND THE LIKE HAVING A PUMP ASSEMBLY MOUNTED IN THE BOTTOM WALL THEREOF, COMPRISING A PAIR OF MATING SCREEN FILTER UNITS ADAPTED TO BE MOUNTED IN SAID BOTTOM WALL FULLY AROUND SAID PUMP ASSEMBLY, EACH OF SAID UNITS COMPRISING AN UPPER FILTER SCREEN AND A LOWER FILTER SCREEN OPERATIVELY CONNECTED THERETO AND SPACED THEREFROM, MEANS FOR VERTICALLY SPACING EACH OF SAID FILTER UNITS FROM SAID BOTTOM WALL TO PROVIDE AN ANNULAR CHAMBER BETWEEN SAID WALL AND SAID LOWER SCREENS, PASSAGE MEANS FORMED IN EACH OF SAID FILTER UNITS RELATIVELY ADJACENT THE OUTER PERIPHERIES THEREOF FOR PASSING RELATIVELY COARSE FOOD PARTICLES REJECTED BY SAID UPPER SCREENS TO SAID ANNULAR CHAMBER, DISCHARGE MEANS COMMUNICATING WITH
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |