Patent US3100747A successfully refreshed from Google Patents.
US3100747A
Expired / Lapsed
US
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Filtering systems
Assignee: Individual
•
Filing: 1958-01-06
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Granted: 1963-08-13
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Expires: 1978-01-06
Abstract
No abstract record available.
Inventors
- 👤 William R Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:54
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/62; B01D29/66; B01D29/11; B01D29/13; B01D29/15; B01D29/68; B01D29/682; B01D2201/00; B01D2201/30; B01D2201/301; B01D2201/304; B01D37/00; Y; Y10; Y10S; Y10S210/00; Y10S210/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
238 words
A FILTER SYSTEM FOR A FRYING KETTLE COMPRISING: A CLOSED CHAMBER HAVING AN INLET AT ITS UPPER END AND AN OUTLET AT ITS LOWER END; MEANS FOR CONNECTING THE INLET TO THE LOWER PORTION OF THE KETTLE, SAID INLET BEING DISPOSED ABOVE THE UPPER LEVEL OF THE LIQUID IN THE KETTLE; PUMP MEANS CONNECTED TO THE OUTLET OF THE CHAMBER FOR REDUCING THE PRESSURE WITHIN THE CONTAINER WHEREBY LIQUID MAY BE DRAWN FROM THE KETTLE THROUGH THE INLET INTO THE CHAMBER, SAID PUMP MEANS BEING ADAPTED TO DISCHARGE FLUIDS FROM THE CHAMBER BACK INTO THE KETTLE FILTER MEANS IN THE CHAMBER INTERPOSED BETWEEN THE INLET AND THE OUTLET; A RECEPTABLE DISPOSED IN SAID CONTAINER; AND MEANS IN SAID CHAMBER BELOW SAID INLET AND BETWEEN SAID INLET AND SAID FILTER MEANS FOR SEPARATING LARGE PARTICLES OF FOREIGN MATTER FROM THE LIQUIDS DRAWN THROUGH THE INLWT AND DEPOSITING SAID FOREIGN MATTER IN SAID RECEPTACLE OUT OF CONTACT WITH LIQUIDS BEING CIRCULATED THROUGH THE CONTAINER FROM THE INLET TO THE OUTLET THEREOF, SAID SEPARATING MEANS INCLUDING A PERFORATE RECEIVING PLATE ON WHICH THE FLUIDS FROM THE INLET ARE DISCHARGED AND A WIPER BLADE MOVABLE OVER SAID RECEIVING PLATE TO BRUSH THE PARTICLES OF FOREIGN MATTER INTO THE RECEPTACLE, SAID RECEIVING PLATE BEING PERFORATED AND HAVING OUTER EDGES EXTENDING OVER SaID RECEPTACLE, SAID LIQUIDS DRAINING THROUGH SAID PERFORATIONS, SAID FOOD PARTICLES DROPPING OVER THE EDGE OF THE RECEIVING PLATE INTO THE RECEPTACLE.
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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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |