Patent US3122148A successfully refreshed from Google Patents.
US3122148A
Expired / Lapsed
US
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Dishwasher with multiple filter means
Assignee: Charles Colston Ltd
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Filing: 1960-12-23
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Granted: 1964-02-25
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Expires: 1980-12-23
Abstract
No abstract record available.
Inventors
- 👤 Alabaster Arthur James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:35
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/4202; A47L15/02; A47L15/06; A47L15/14; A47L15/16; A47L15/18; A47L15/22; A47L15/23
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
A DISHWASHING MACHINE COMPRISING A CASING HAVING A TOP, A BOTTOM AND SUBSTANTIALLY VERTICAL WALLS ENCLOSING A WASHING CHAMBER IN WHICH ARTICLES TO BE WASHED ARE PLACED; LIQUID DELIVERING MEANS WITHIN SAID CHAMBER FOR SPRAYING CLEANING LIQUID AGAINST SAID ARTICLES WITH RESULTANT DROPPING IN SAID CHAMBER OF RELATIVELY LARGE AND RELATIVELY SMALL SOIL PARTICLES DISTRIBUTED IN DISPERSED DESCENDING LIQUID AND FALLING OF LIQUID ONTO SAID BOTTOM AND FLOWING OF SAID LIQUID TO SAID LIQUID DELIVERING MEANS; A MAIN FILTER ELEMENT OF RELATIVELY COARSE MESH IN THE PATH
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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) | 1967-02-24 | 1967-08-26 | 1968-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-24 | 1971-08-26 | 1972-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-24 | 1975-08-26 | 1976-02-25 | $7700.00 | Window Closed / Lapsed |