US3176446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic gas conditioner
Assignee: Svenska Flaktfabriken AB
•
Filing: 1963-05-27
•
Granted: 1965-04-06
•
Expires: 1983-05-27
Abstract
No abstract record available.
Inventors
- 👤 Gert K A Siggelin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:11
CPC Classifications
F; F24; F24F; F24F3/00; F24F3/12; F24F3/14; F24F3/1411; F24F3/1423; B; B01; B01D; B01D45/00; B01D45/12; B01D45/14; F24F2203/00; F24F2203/10; F24F2203/1004; F24F2203/1016; F24F2203/1032; F24F2203/1036; F24F2203/104; F24F2203/1048; F24F2203/1056; F24F2203/106; F24F2203/1068; F24F2203/1084; F24F2203/1088; F24F2203/1096
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A RIGID CERAMIC GAS MOISTURE MODIFYING BODY, SAID BODY HAVING A LARGE PLURALITY OF ELONGATED THIN CONTIGUOUS POROUS CELLS, EXTENDING LONITUDINALLY FROM ONE SIDE OF SAID BODY TO AN OPPOSITE SIDE, THE SAID BODY BEING GAS PERMEABLE IN THE LONGITUDINAL DIRECTION FOR SUBSTANTIALLY UNIMPEDED GAS FLOW THERETHROUGH, THE CELLULAR WALLS THEREOF BEING SUBSTANTIALLY GAS IMPERMEABLE IN A LATERAL DIRECTTION, SAID WALLS SUPPORTING AND THE CELLULAR PORES THEREOF CONTAINING A MOISTURE INTERCHANGE SUBSTANCE ADAPTED TO IMPART OR RECEIVE MOISTURE PASSED TO OR REMOVED FROM A GAS PASSED LONGITUDINALLY THROUGH SAID BODY.
Claim 2
Dependent Claim
90 words
A RIGID CERAMIC GAS MOISTURE MODIFYING BODY, SAID BODY HAVING A LARGE PLURALITY OF ELONGATED THIN CONTIGUOUS POROUS CELLS, EXTENDING LONITUDINALLY FROM ONE SIDE OF SAID BODY TO AN OPPOSITE SIDE, THE SAID BODY BEING GAS PERMEABLE IN THE LONGITUDINAL DIRECTION FOR SUBSTANTIALLY UNIMPEDED GAS FLOW THERETHROUGH, THE CELLULAR WALLS THEREOF BEING SUBSTANTIALLY GAS IMPERMEABLE IN A LATERAL DIRECTTION, SAID WALLS SUPPORTING AND THE CELLULAR PORES THEREOF CONTAINING A MOISTURE INTERCHANGE SUBSTANCE ADAPTED TO IMPART OR RECEIVE MOISTURE PASSED TO OR REMOVED FROM A GAS PASSED LONGITUDINALLY THROUGH SAID BODY.
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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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |