Patent US3157904A successfully refreshed from Google Patents.
US3157904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for separating tableware and food-leavings on cleaning crockery, plates and similar utensils
Assignee: Individual
•
Filing: 1961-04-26
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Granted: 1964-11-24
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Expires: 1981-04-26
Abstract
No abstract record available.
Inventors
- 👤 Flodell Dick Arne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:33
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/0086
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A DEVICE FOR SEPARATING TABLEWARE AND FOOD-LEAVINGS ON CLEANING OF CROCKERY, PLATES AND SIMILAR UTENSILS, CHARACTERIZED BY RESILIENT MEMBERS DISPOSED IN A DUMP-OPENING WITH SUCH A SPACING AND MUTUAL RELATION AS TO ALLOW THE SPECIFICALLY HEAVIER TABLEWARE TO PASS, BUT TO RETAIN THE SPECIFICALLY LIGHTER FOOD-LEAVINGS, A CONICAL FUNNEL DISPOSED ABOVE THE DUMP-OPENING, SAID FUNNEL HAVING ITS SMALLEST DIAMETER AT THE BOTTOM, WHICH DIAMETER IS SMALLER THAN THE LENGTH OF AT LEAST ORDINARY KNIVES AND FORKS SO AS TO COMPEL THEM TO ASSUME AN INCLINED POSITION IS PASSING THE FUNNEL.
Claim 2
Independent Claim
90 words
A DEVICE FOR SEPARATING TABLEWARE AND FOOD-LEAVINGS ON CLEANING OF CROCKERY, PLATES AND SIMILAR UTENSILS, CHARACTERIZED BY RESILIENT MEMBERS DISPOSED IN A DUMP-OPENING WITH SUCH A SPACING AND MUTUAL RELATION AS TO ALLOW THE SPECIFICALLY HEAVIER TABLEWARE TO PASS, BUT TO RETAIN THE SPECIFICALLY LIGHTER FOOD-LEAVINGS, A CONICAL FUNNEL DISPOSED ABOVE THE DUMP-OPENING, SAID FUNNEL HAVING ITS SMALLEST DIAMETER AT THE BOTTOM, WHICH DIAMETER IS SMALLER THAN THE LENGTH OF AT LEAST ORDINARY KNIVES AND FORKS SO AS TO COMPEL THEM TO ASSUME AN INCLINED POSITION IS PASSING THE FUNNEL.
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US1672259A
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US1927217A
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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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |