US3210009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dishwasher pump and filter
Assignee: Westinghouse Electric Corp
•
Filing: 1963-12-16
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Granted: 1965-10-05
•
Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Olan L Long
- 👤 George P Rogers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:53
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/4202; A47L15/4204; A47L15/4214; A47L15/4225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN A PUMP AND FILTER SYSTEM FOR USE IN A DEVICE WHEREIN DEBRIS IS SEPARATED FROM OBJECTS SUBJECTED TO WASHING A PUMP HAVING A PRINCIPAL IMPELLER LOCATED WITHIN A CIR CUIT INCLUDING SAID IMPELLER, AN AREA OF USE AND A FILTER, AND A DRAIN IMPELLER HAVING AN UNIMPEDER INLET LEADING THROUGH THE CENTER OF SAID FILTER AND THE CENTER OF SAID PRINCIPAL IMPELLER AND THEREFROM TO A DRAIN VALVE, SAID SYSTEM ALSO INCLUDING A BYPASS FORM THE OUTLET OF SAID PRINCIPAL IMPELLER TO SAID DRAIN IMPELLER TO PROVIDE AGITATION OF DEBRIS COLLECTED IN SAID INLET.
Claim 2
Dependent Claim
95 words
IN A PUMP AND FILTER SYSTEM FOR USE IN A DEVICE WHEREIN DEBRIS IS SEPARATED FROM OBJECTS SUBJECTED TO WASHING A PUMP HAVING A PRINCIPAL IMPELLER LOCATED WITHIN A CIR CUIT INCLUDING SAID IMPELLER, AN AREA OF USE AND A FILTER, AND A DRAIN IMPELLER HAVING AN UNIMPEDER INLET LEADING THROUGH THE CENTER OF SAID FILTER AND THE CENTER OF SAID PRINCIPAL IMPELLER AND THEREFROM TO A DRAIN VALVE, SAID SYSTEM ALSO INCLUDING A BYPASS FORM THE OUTLET OF SAID PRINCIPAL IMPELLER TO SAID DRAIN IMPELLER TO PROVIDE AGITATION OF DEBRIS COLLECTED IN SAID INLET.
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |