Patent US3224456A successfully refreshed from Google Patents.
Patent US3299620A successfully refreshed from Google Patents.
US3299620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas treatment device
Assignee: Individual
•
Filing: 1964-03-09
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Granted: 1967-01-24
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Expires: 1984-03-09
Abstract
No abstract record available.
Inventors
- 👤 Charles E Hollingworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:19
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/06; Y; Y10; Y10S; Y10S55/00; Y10S55/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
222 words
A GAS TREATMENT DEVICE COMPRISING: AN UPRIGHT HOUSING HAVING A CAVITY THEREIN, AND A LOWER INLET AND UPPER OUTLET THROUGH THE HOUSING INTO THE CAVITY; A RESERVOIR INSIDE THE HOUSING AND BENEATH THE LEVEL OF THE INLET; A SPRAY HEADER INSIDE THE HOUSING AND ABOVE THE RESERVOIR AND LEVEL OF THE INLET, A RECIRCULATION, BLEEDER AND MAKEUP SYSTEM FOR WITHDRAWING FLUID FROM THE RESERVOIR, DISCHARGING IT FROM THE SPRAY HEADER COUNTERCURRENT TO GAS FLOW FROM INLET TO OUTLET, BLEEDING OFF FLUID FROM THE RESERVOIR, AND MAKING IT UP; A PLURALITY OF FIRST FILTERS IN THE INLET, AT LEAST ONE OF SAID FIRST FILTERS COMPRISING A SOLIDCONTAMINANT TYPE, AND AT LEAST ONE OF THE OTHER SAID FIRST FILTERS COMPRISING AN ELECTROSTATIC TYPE; ELIMINATOR MEANS INSIDE THE CAVITY AND ABOVE THE SPRAY HEADER FOR ENTRAPPING FLUID PARTICLES FROM AN UPWARD GAS CURRENT; A PLURALITY OF SECOND FILTERS IN THE CAVITY AND ABOVE THE ELIMINATOR MEANS, AT LEAST ONE OF SAID SECOND FILTERS COMPRISING AN ADSORBENT TYPE, AND AT LEAST ONE OTHER OF SAID SECOND FILTERS COMPRISING A REACTIVE TYPE; A FAN IN THE CAVITY ABOVE THE SECOND FILTERS; MOTIVE MEANS FOR DRIVING THE FAN; AND A WIND-RESPONSIVE CAP IN WHICH THE OUTLET IS FORMED, SAID CAP BEING REVOLVABLY SUPPORTED SO AS TO PIVOT WITH THE WIND TO DIRECT THE DISCHARGE FROM THE DEVICE DOWNSTREAM.
Claim 2
Dependent Claim
222 words
A GAS TREATMENT DEVICE COMPRISING: AN UPRIGHT HOUSING HAVING A CAVITY THEREIN, AND A LOWER INLET AND UPPER OUTLET THROUGH THE HOUSING INTO THE CAVITY; A RESERVOIR INSIDE THE HOUSING AND BENEATH THE LEVEL OF THE INLET; A SPRAY HEADER INSIDE THE HOUSING AND ABOVE THE RESERVOIR AND LEVEL OF THE INLET, A RECIRCULATION, BLEEDER AND MAKEUP SYSTEM FOR WITHDRAWING FLUID FROM THE RESERVOIR, DISCHARGING IT FROM THE SPRAY HEADER COUNTERCURRENT TO GAS FLOW FROM INLET TO OUTLET, BLEEDING OFF FLUID FROM THE RESERVOIR, AND MAKING IT UP; A PLURALITY OF FIRST FILTERS IN THE INLET, AT LEAST ONE OF SAID FIRST FILTERS COMPRISING A SOLIDCONTAMINANT TYPE, AND AT LEAST ONE OF THE OTHER SAID FIRST FILTERS COMPRISING AN ELECTROSTATIC TYPE; ELIMINATOR MEANS INSIDE THE CAVITY AND ABOVE THE SPRAY HEADER FOR ENTRAPPING FLUID PARTICLES FROM AN UPWARD GAS CURRENT; A PLURALITY OF SECOND FILTERS IN THE CAVITY AND ABOVE THE ELIMINATOR MEANS, AT LEAST ONE OF SAID SECOND FILTERS COMPRISING AN ADSORBENT TYPE, AND AT LEAST ONE OTHER OF SAID SECOND FILTERS COMPRISING A REACTIVE TYPE; A FAN IN THE CAVITY ABOVE THE SECOND FILTERS; MOTIVE MEANS FOR DRIVING THE FAN; AND A WIND-RESPONSIVE CAP IN WHICH THE OUTLET IS FORMED, SAID CAP BEING REVOLVABLY SUPPORTED SO AS TO PIVOT WITH THE WIND TO DIRECT THE DISCHARGE FROM THE DEVICE DOWNSTREAM.
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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |