Patent US3097938A successfully refreshed from Google Patents.
US3097938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-material separator
Assignee: Fuller Co
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Filing: 1961-09-01
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Granted: 1963-07-16
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Expires: 1981-09-01
Abstract
No abstract record available.
Inventors
- 👤 Leo G Weller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:24
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/02; B01D46/04; B01D46/0039; B01D46/0041; B01D46/0046; B01D46/42; B01D46/4272; B01D46/66; B01D46/70; B01D46/71
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
216 words
AN AIR-MATERIAL SEPARATOR COMPRISING A MAIN CASING HAVING AN INLET FOR AIR CARRYING SUSPENDED MATERIAL AND AN OUTLET FOR AIR FROM WHICH SUSPENDED MATERIAL HAS BEEN SEPARATED, AT LEAST ONE FILTERING UNIT IN SAID CASING, IN THE PATH OF FLOW OF GAS FROM SAID INLET TO SAID OUTLET, AND INCLUDING A GAS-PERMEABLE FILTERING MEDIUM THROUGH WHICH THE AIR MUST PASS DURING SUCH FLOW, A VALVE CASING HAVING A FIRST PORT SUBTENDING A SUBSTANTIAL CIRCULAR ANGLE, THROUGH WHICH AIR WHICH IS PASSED THROUGH THE FILTER MEDIUM ON THE CLEANING CYCLE IS ADAPTED TO PASS AND A DISCHARGE OUTLET, A CONDUIT CONNECTING THE OUTLET OF THE MAIN CASING WITH SAID FIRST VALVE CASING PORT, SAID VALVE CASING HAVING A SECOND PORT COMMUNICATING WITH A SOURCE OF EXTERNAL AIR AND SUBTENDING A CIRCULAR ANGLE SUBSTANTIALLY SMALLER THAN THE CIRCULAR ANGLE SUBTENDED BY SAID FIRST VALVE CASING PORT, A VALVE IN SAID VALVE CASING, SAID VALVE INCLUDING A DELIVERY CHAMBER HAVING A FIRST PORT ADAPTED TO REGISTER WITH SAID FIRST VALVE CASING PORT, AND A PLURALITY OF LATERALLY-SPACED SECOND PORTS ADAPTED, UPON MOVEMENT OF THE VALVE, SUCCESSIVELY TO REGISTER WITH SAID SECOND VALVE CASING PORT, SAID FIRST VALVE PORT SUBTENDING A CIRCULAR ANGLE SUBSTANTIALLY SMALLER THAN THE ANGLE SUBTENDED BY SAID FIRST VALVE CASING PORT, AND ADAPTED TO BE BROUGHT
Claim 2
Dependent Claim
216 words
AN AIR-MATERIAL SEPARATOR COMPRISING A MAIN CASING HAVING AN INLET FOR AIR CARRYING SUSPENDED MATERIAL AND AN OUTLET FOR AIR FROM WHICH SUSPENDED MATERIAL HAS BEEN SEPARATED, AT LEAST ONE FILTERING UNIT IN SAID CASING, IN THE PATH OF FLOW OF GAS FROM SAID INLET TO SAID OUTLET, AND INCLUDING A GAS-PERMEABLE FILTERING MEDIUM THROUGH WHICH THE AIR MUST PASS DURING SUCH FLOW, A VALVE CASING HAVING A FIRST PORT SUBTENDING A SUBSTANTIAL CIRCULAR ANGLE, THROUGH WHICH AIR WHICH IS PASSED THROUGH THE FILTER MEDIUM ON THE CLEANING CYCLE IS ADAPTED TO PASS AND A DISCHARGE OUTLET, A CONDUIT CONNECTING THE OUTLET OF THE MAIN CASING WITH SAID FIRST VALVE CASING PORT, SAID VALVE CASING HAVING A SECOND PORT COMMUNICATING WITH A SOURCE OF EXTERNAL AIR AND SUBTENDING A CIRCULAR ANGLE SUBSTANTIALLY SMALLER THAN THE CIRCULAR ANGLE SUBTENDED BY SAID FIRST VALVE CASING PORT, A VALVE IN SAID VALVE CASING, SAID VALVE INCLUDING A DELIVERY CHAMBER HAVING A FIRST PORT ADAPTED TO REGISTER WITH SAID FIRST VALVE CASING PORT, AND A PLURALITY OF LATERALLY-SPACED SECOND PORTS ADAPTED, UPON MOVEMENT OF THE VALVE, SUCCESSIVELY TO REGISTER WITH SAID SECOND VALVE CASING PORT, SAID FIRST VALVE PORT SUBTENDING A CIRCULAR ANGLE SUBSTANTIALLY SMALLER THAN THE ANGLE SUBTENDED BY SAID FIRST VALVE CASING PORT, AND ADAPTED TO BE BROUGHT
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |