US3005679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas-liquid contact method
Assignee: Individual
•
Filing: 1960-10-24
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Granted: 1961-10-24
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Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 Felix L Yerzley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:20
CPC Classifications
B; B01; B01D; B01D47/00; B01D47/02; B01D47/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
THE METHOD OF CONTACTING LIQUID AND GAS, COMPRISING MAINTAINING A BED OF PARTICLES OF AGGREGATE IN A FIXED POSITION WITH THE SPACES BETWEEN SAID PARTICLES CONSTITUTING PASSAGES FOR LIQUIDS AND GAS THERETHROUGH, INTRODUCING GAS BENEATH SAID AGGREGATE BED AND INDUCING A STEADY FLOW THEREOF UPWARDLY THROUGH SAID BED, INTRODUCING LIQUID ONTO THE UPPER SURFACE OF SAID BED OF AGGREGATE FOR DOWNFLOW BY GRAVITY THROUGH THE PASSAGES THEREIN, COUNTER-CURRENT TO THE INDUCED UP-FLOW OF SAID GAS AND OF SAID PASSAGES, AND MAINTAINING THE FLOW OF SAID GAS AND OF SAID LIQUID AT A RATE SUFFICIENT TO FLOOD SAID BED TO MAINTAIN THE
Claim 2
Independent Claim
101 words
THE METHOD OF CONTACTING LIQUID AND GAS, COMPRISING MAINTAINING A BED OF PARTICLES OF AGGREGATE IN A FIXED POSITION WITH THE SPACES BETWEEN SAID PARTICLES CONSTITUTING PASSAGES FOR LIQUIDS AND GAS THERETHROUGH, INTRODUCING GAS BENEATH SAID AGGREGATE BED AND INDUCING A STEADY FLOW THEREOF UPWARDLY THROUGH SAID BED, INTRODUCING LIQUID ONTO THE UPPER SURFACE OF SAID BED OF AGGREGATE FOR DOWNFLOW BY GRAVITY THROUGH THE PASSAGES THEREIN, COUNTER-CURRENT TO THE INDUCED UP-FLOW OF SAID GAS AND OF SAID PASSAGES, AND MAINTAINING THE FLOW OF SAID GAS AND OF SAID LIQUID AT A RATE SUFFICIENT TO FLOOD SAID BED TO MAINTAIN THE
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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) | 1964-10-23 | 1965-04-24 | 1965-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-23 | 1969-04-24 | 1969-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-23 | 1973-04-24 | 1973-10-24 | $7700.00 | Window Closed / Lapsed |