US3147220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1960-07-18
•
Granted: 1964-09-01
•
Expires: 1980-07-18
Abstract
No abstract record available.
Inventors
- 👤 Theodore P Avery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:45
CPC Classifications
B; B01; B01D; B01D37/00; B01D37/02; A; A47; A47J; A47J37/00; A47J37/12; A47J37/1223; B01D29/00; B01D29/11; B01D29/13; B01D29/23; B01D29/27; B01D29/88; B01D29/90; B01D29/902; Y; Y10; Y10S; Y10S210/00; Y10S210/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
A FILTER COMPRISING A CAN HAVING AN OPEN TOP AND AN OUTLET AT THE BOTTOM, THE CAN HAVING A PERIPHERAL FLANGE ABOUT ITS OPEN END WITH AN ANNULAR RECESSED SEAT THEREIN ADJACENT THE JUNCTURE OF THE CAN SIDE WALL WITH THE FLANGE, A BASKET REMOVABLY SEATED IN THE CAN HAVING PERFORATED BOTTOM AND SIDE WALLS AND EXTNDING SUBSTANTIALLY THE FULL DEPTH OF THE CAN, LEAVING A SPACE BETWEEN THE BOTTOM WALL OF THE BASKET AND THE BOTTOM WALL OF THE CAN, TO PERMIT THE FLOW OF FLUID THEREBETWEEN THE BASKET BEING SPACED FROM THE CAN WALL T PROVIDE AN ANNULAR SPACE BETWEEN THE CAN WALL AND BASKET WALL, THE BASKET HAVING PROJECTING MEANS AT THE BOTTOM TO REST UPON THE CAN BOTTOM TO HOLD THE BASKET BOTTOM SPACED FROM THE CAN BOTTOM, A FILTER BAG WITHIN THE BASKET CLOSELY FITTING THE INTERIOR OF THE BASKET WHEREBY THE BASKET FORMS A PROTECTIVE CASING AROUND THE BAG TO SUPPORT THE BAG DURING INTERNAL PRESSURE, THE BAG HAVING A PERIPHERAL FLANGE AT ITS TOP FITTING IN THE ANNULAR RECESSED SEAT IN THE CAN FLANGE, A PERFORATED CONTAINER HAVING AN OPEN TOP AND A PERIPHERAL FLANGE SEATED UPON THE FLANGE OF THE FILTER BAG WITHIN THE ANNULAR RECESSED SEAT IN THE CAN FLANGE TO POSITION THE CONTAINER WITHIN THE BAG WITH ITS SIDE AND BOTTOM WALLS ALL SPACED FROM THE BAG TO SERVE
Claim 2
Dependent Claim
229 words
A FILTER COMPRISING A CAN HAVING AN OPEN TOP AND AN OUTLET AT THE BOTTOM, THE CAN HAVING A PERIPHERAL FLANGE ABOUT ITS OPEN END WITH AN ANNULAR RECESSED SEAT THEREIN ADJACENT THE JUNCTURE OF THE CAN SIDE WALL WITH THE FLANGE, A BASKET REMOVABLY SEATED IN THE CAN HAVING PERFORATED BOTTOM AND SIDE WALLS AND EXTNDING SUBSTANTIALLY THE FULL DEPTH OF THE CAN, LEAVING A SPACE BETWEEN THE BOTTOM WALL OF THE BASKET AND THE BOTTOM WALL OF THE CAN, TO PERMIT THE FLOW OF FLUID THEREBETWEEN THE BASKET BEING SPACED FROM THE CAN WALL T PROVIDE AN ANNULAR SPACE BETWEEN THE CAN WALL AND BASKET WALL, THE BASKET HAVING PROJECTING MEANS AT THE BOTTOM TO REST UPON THE CAN BOTTOM TO HOLD THE BASKET BOTTOM SPACED FROM THE CAN BOTTOM, A FILTER BAG WITHIN THE BASKET CLOSELY FITTING THE INTERIOR OF THE BASKET WHEREBY THE BASKET FORMS A PROTECTIVE CASING AROUND THE BAG TO SUPPORT THE BAG DURING INTERNAL PRESSURE, THE BAG HAVING A PERIPHERAL FLANGE AT ITS TOP FITTING IN THE ANNULAR RECESSED SEAT IN THE CAN FLANGE, A PERFORATED CONTAINER HAVING AN OPEN TOP AND A PERIPHERAL FLANGE SEATED UPON THE FLANGE OF THE FILTER BAG WITHIN THE ANNULAR RECESSED SEAT IN THE CAN FLANGE TO POSITION THE CONTAINER WITHIN THE BAG WITH ITS SIDE AND BOTTOM WALLS ALL SPACED FROM THE BAG TO SERVE
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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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |