Patent US4634422A successfully refreshed from Google Patents.
US3285779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dishwashing apparatus
Assignee: King Fifth Wheel Co
•
Filing: 1964-11-17
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Granted: 1966-11-15
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Expires: 1984-11-17
Abstract
No abstract record available.
Inventors
- 👤 Ansel W Dunham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:18
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/14; A47L15/18; A47L15/22; A47L15/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN A DISHWASHER HAVING A TANK HAVING COEXTENSIVE ORIFICES IN OPPOSITE SIDE WALLS ADJACENT THE TOP AND DISPOSED ALONG THE LENGTH THEREOF, MEANS IN SAID TANK TO SUPPORT A RACK FOR TABLEWARE THEREIN BELOW SAID ORIFICES, A MANIFOLD, IMPELLER MEANS OPERABLE TO CIRCULATE WASH WATER FROM THE BOTTOM OF SAID TANK INTO SAID MANIFOLD, DUCT MEANS CONNECTING SAID MANIFOLD TO EACH OF SAID ORIFICES WHEREBY UPON OPERATION OF SAID IMPELLER MEANS SAID WASH WATER IS EXPELLED FROM SAID ORIFICES IN CONFRONTING STREAMS COEXTENSIVE WITH SAID ORIFICES, SAID STREAMS MERGING ALONG A LINE INTO A CASCADING SHEET OF WASH WATER INTERMEDIATE SAID OPPOSITE SIDE WALLS, FLOW CONTOL MEANS TO DETERMINE THE LINE OF MERGER OF SAID STREAMS, AND ACTUATING MEANS FOR SAID CONTROL MEANS TO CAUSE LINE OF MERGER AND THEREFORE SAID CASCADING SHEET TO TRAVERSE THE SPACE INTERMEDIATE SAID SIDE WALLS; THE IMPROVEMENT WHREREIN SAID FLOW CONTROL MEANS COM-
Claim 2
Dependent Claim
149 words
IN A DISHWASHER HAVING A TANK HAVING COEXTENSIVE ORIFICES IN OPPOSITE SIDE WALLS ADJACENT THE TOP AND DISPOSED ALONG THE LENGTH THEREOF, MEANS IN SAID TANK TO SUPPORT A RACK FOR TABLEWARE THEREIN BELOW SAID ORIFICES, A MANIFOLD, IMPELLER MEANS OPERABLE TO CIRCULATE WASH WATER FROM THE BOTTOM OF SAID TANK INTO SAID MANIFOLD, DUCT MEANS CONNECTING SAID MANIFOLD TO EACH OF SAID ORIFICES WHEREBY UPON OPERATION OF SAID IMPELLER MEANS SAID WASH WATER IS EXPELLED FROM SAID ORIFICES IN CONFRONTING STREAMS COEXTENSIVE WITH SAID ORIFICES, SAID STREAMS MERGING ALONG A LINE INTO A CASCADING SHEET OF WASH WATER INTERMEDIATE SAID OPPOSITE SIDE WALLS, FLOW CONTOL MEANS TO DETERMINE THE LINE OF MERGER OF SAID STREAMS, AND ACTUATING MEANS FOR SAID CONTROL MEANS TO CAUSE LINE OF MERGER AND THEREFORE SAID CASCADING SHEET TO TRAVERSE THE SPACE INTERMEDIATE SAID SIDE WALLS; THE IMPROVEMENT WHREREIN SAID FLOW CONTROL MEANS COM-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |