US3042497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Co2 scrubber
Assignee: Individual
•
Filing: 1959-03-09
•
Granted: 1962-07-03
•
Expires: 1979-03-09
Abstract
No abstract record available.
Inventors
- 👤 Wayne W Johnson
- 👤 Karl H Kimball
- 👤 Douald E Douglass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:22
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/62; Y; Y02; Y02C; Y02C20/00; Y02C20/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
APPARATUS FOR REMOVING CARBON DIOXIDE FROM ATMOSPHERE, THE APPARATUS BEING OF A TYPE EMPLOYING A HEAT-RESPONSIVE ABSORBENT SOSLUTION CHARACTERIZSED BY AN ABILITY TO ABSORB CARBON DIOXIDE WHEN RELLLATIVELY COOL AND TO RELEASE SAID CARBON DIOXIDE WHEN RELATIVELY WARM; SAID APPARATUS COMPRISING AN ABSORPTION TOWER INCLUDING ATMOSPHERE ANND ABSORBENET SSOLUTION INL,ETS AT ITS UPPER END, A BAFFLE DISPOSOEDD MEDDIALLY OF SAID TOWER, A BED OF STREAMDEFLECTING PARTICLES BETWEEN SAID BAFFLE AND SAID INLETS, A BOTTOM SUMP PORTION, ANDS,SPRY MEANS COMMUNICATING WITH SAID ABSORBENT SSOLUTING INLET FOR FORCEFULLY DDIRIECTING ABSORBENT SOLUTION AND SAID INCOMING ATMOSPHERE DOWNWARDLY THROUGH SAID PARTICLE BED INTO SAID SUMP, SAID BAFFLE HAVING A RISER CONDUIT FOR RECEIVING ATMOSPHERE FROM THE SUMP, AND INDEPENNDENT AIR PURIFIER COMMUNICAT ING WITH SAID RISER, MEANS INCLUDING A FIRST PUMP FOR RECIRCULATING A MAJOR PROTION OF SAID ABSORPTION SOLUTIOR FROM SAID SUMP DIRECTLY BACK TO SAID ABSORPTION SOLUTIOR INLSET, AN ABSORPTION SOLUTION REGENERATION TOWER, AND A SOLUTION CIRCULATING CIRCUIT COMMUNICATING SAID REGENERATO TOWER WITH SAID ABSORPTION TOWER SUMP AND WITH
Claim 2
Dependent Claim
167 words
APPARATUS FOR REMOVING CARBON DIOXIDE FROM ATMOSPHERE, THE APPARATUS BEING OF A TYPE EMPLOYING A HEAT-RESPONSIVE ABSORBENT SOSLUTION CHARACTERIZSED BY AN ABILITY TO ABSORB CARBON DIOXIDE WHEN RELLLATIVELY COOL AND TO RELEASE SAID CARBON DIOXIDE WHEN RELATIVELY WARM; SAID APPARATUS COMPRISING AN ABSORPTION TOWER INCLUDING ATMOSPHERE ANND ABSORBENET SSOLUTION INL,ETS AT ITS UPPER END, A BAFFLE DISPOSOEDD MEDDIALLY OF SAID TOWER, A BED OF STREAMDEFLECTING PARTICLES BETWEEN SAID BAFFLE AND SAID INLETS, A BOTTOM SUMP PORTION, ANDS,SPRY MEANS COMMUNICATING WITH SAID ABSORBENT SSOLUTING INLET FOR FORCEFULLY DDIRIECTING ABSORBENT SOLUTION AND SAID INCOMING ATMOSPHERE DOWNWARDLY THROUGH SAID PARTICLE BED INTO SAID SUMP, SAID BAFFLE HAVING A RISER CONDUIT FOR RECEIVING ATMOSPHERE FROM THE SUMP, AND INDEPENNDENT AIR PURIFIER COMMUNICAT ING WITH SAID RISER, MEANS INCLUDING A FIRST PUMP FOR RECIRCULATING A MAJOR PROTION OF SAID ABSORPTION SOLUTIOR FROM SAID SUMP DIRECTLY BACK TO SAID ABSORPTION SOLUTIOR INLSET, AN ABSORPTION SOLUTION REGENERATION TOWER, AND A SOLUTION CIRCULATING CIRCUIT COMMUNICATING SAID REGENERATO TOWER WITH SAID ABSORPTION TOWER SUMP AND WITH
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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) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |