Patent US2588254A successfully refreshed from Google Patents.
US3203771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling carbon dioxide content of an atmosphere
Assignee: Whirlpool Corp
•
Filing: 1962-07-30
•
Granted: 1965-08-31
•
Expires: 1982-07-30
Abstract
No abstract record available.
Inventors
- 👤 Joshua R C Brown
- 👤 Jess W Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:35
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/704; A23B2/7045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
APPARATUS FOR CONTROLLING THE CARBON DIOXIDE CONTENT OF A MIXTURE OF GASES, COMPRISING: MEANS PROVIDING A SOURCE OF GAS CONTAINING CARBON DIOXIDE; RETAINING MEANS FOR RELEASABLY RETAINING CARBON DIOXIDE; MEANS FOR PERIODICALLY DIRECTING SAID GAS FROM SAID SOURCE THROUGH SAID RETAINING MEANS FOR SUPPLYING LOW CARBON DIOXIDE GASES TO SAID MIXTURE; MEANS PROVIDING A SOURCE OF REGENERATING FLUID FOR EFFECTING THE REMOVAL OF CARBON DIOXIDE FROM SAID RETAINING MEANS; AND MEANS FOR DIRECTING SAID REGEN-
Claim 2
Dependent Claim
75 words
APPARATUS FOR CONTROLLING THE CARBON DIOXIDE CONTENT OF A MIXTURE OF GASES, COMPRISING: MEANS PROVIDING A SOURCE OF GAS CONTAINING CARBON DIOXIDE; RETAINING MEANS FOR RELEASABLY RETAINING CARBON DIOXIDE; MEANS FOR PERIODICALLY DIRECTING SAID GAS FROM SAID SOURCE THROUGH SAID RETAINING MEANS FOR SUPPLYING LOW CARBON DIOXIDE GASES TO SAID MIXTURE; MEANS PROVIDING A SOURCE OF REGENERATING FLUID FOR EFFECTING THE REMOVAL OF CARBON DIOXIDE FROM SAID RETAINING MEANS; AND MEANS FOR DIRECTING SAID REGEN-
References Cited (Backward Citations)
CA520912A
Cited
US1952005A
Cited
US2434353A
Cited
US2768058A
Cited
US3100685A
Cited
US3102778A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |