Patent US3353339A successfully refreshed from Google Patents.
US3353339A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas cleaner
Assignee: Selas Corp of America
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Filing: 1964-10-08
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Granted: 1967-11-21
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Expires: 1984-10-08
Abstract
No abstract record available.
Inventors
- 👤 Bernard R Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:04
CPC Classifications
B; B01; B01D; B01D46/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
208 words
APPARATUS FOR CLEANING GAS COMPRISING A SUPPORT HAVING ALIGNED INLET AND DISCHARGE OPENINGS, SAID SUPPORTR BEING PROVIDED WITH AN OUTLET CHAMBER CONNECTED WITH SAID DISCHARGE OPENING AND AND INLET TO SAID CHAMBER, A ROD ATTACHED TO SAID SUPPORT AND EXTENDING THEREFROM THROUGH SAID CHAMBER INLET, AN ELONGATED, ANNULAR CANISTER FILLED WITH VAPOR ADSORBING MATERIAL RECEIVED ON SAID ROD TO BE MOVED AGAINST SAID CHAMBER INLET, SAID CANISTER BEING PROVIDED WITH OPENINGS IN THE ENDS THEREOF WHEREBY GAS CAN PASS AXIALLY THERTHROUGH INTO SAID CHAMBER, MEANS TO SEAL THE SPACE BETWEEN SAID ROD AND SAID CANISTER, AN ANNULAR FILTER ELEMENT HAVING OPEN ENDS AND HAVE A HYDROPHOBIC SURFACE, ONE OF SAID ENDS ENGAGING THE END OF SAID CANISTER REMOTE FROM SAID CHAMBER INLET, A DISC HAVING A CENTRALLY LOCATED AND AXIALLY EXTENDING SLEEVE THEREON WITH SAID SLEEVE RECEIVED ON SAID ROD AND SAID DISC ENGAGING AND SEALING THE OTHER END OF SAID FILTER ELEMENT WHEREBY FLOW OF GAS TO BE CLEANED IS RADIALLY THROUGH SAID ELEMENT, SEALING MEANS BETWEEN SAID SLEEVE AND ROD, MEANS TO FORCE SAID DISC AGAINST SAID FILTER ELEMENT, A CASING SURROUNDING SAID CANISTER, FILTER ELEMENT AND ROD AND ENGAGING SAID SUPPORT, AND MEANS EFFECTING COMMUNICATION BETWEEN THE INSIDE OF SAID CASING AND SAID INLET OPENING.
Claim 2
Dependent Claim
208 words
APPARATUS FOR CLEANING GAS COMPRISING A SUPPORT HAVING ALIGNED INLET AND DISCHARGE OPENINGS, SAID SUPPORTR BEING PROVIDED WITH AN OUTLET CHAMBER CONNECTED WITH SAID DISCHARGE OPENING AND AND INLET TO SAID CHAMBER, A ROD ATTACHED TO SAID SUPPORT AND EXTENDING THEREFROM THROUGH SAID CHAMBER INLET, AN ELONGATED, ANNULAR CANISTER FILLED WITH VAPOR ADSORBING MATERIAL RECEIVED ON SAID ROD TO BE MOVED AGAINST SAID CHAMBER INLET, SAID CANISTER BEING PROVIDED WITH OPENINGS IN THE ENDS THEREOF WHEREBY GAS CAN PASS AXIALLY THERTHROUGH INTO SAID CHAMBER, MEANS TO SEAL THE SPACE BETWEEN SAID ROD AND SAID CANISTER, AN ANNULAR FILTER ELEMENT HAVING OPEN ENDS AND HAVE A HYDROPHOBIC SURFACE, ONE OF SAID ENDS ENGAGING THE END OF SAID CANISTER REMOTE FROM SAID CHAMBER INLET, A DISC HAVING A CENTRALLY LOCATED AND AXIALLY EXTENDING SLEEVE THEREON WITH SAID SLEEVE RECEIVED ON SAID ROD AND SAID DISC ENGAGING AND SEALING THE OTHER END OF SAID FILTER ELEMENT WHEREBY FLOW OF GAS TO BE CLEANED IS RADIALLY THROUGH SAID ELEMENT, SEALING MEANS BETWEEN SAID SLEEVE AND ROD, MEANS TO FORCE SAID DISC AGAINST SAID FILTER ELEMENT, A CASING SURROUNDING SAID CANISTER, FILTER ELEMENT AND ROD AND ENGAGING SAID SUPPORT, AND MEANS EFFECTING COMMUNICATION BETWEEN THE INSIDE OF SAID CASING AND SAID INLET OPENING.
References Cited (Backward Citations)
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Cited
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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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |