Patent US4400495A successfully refreshed from Google Patents.
Patent US2864757A successfully refreshed from Google Patents.
US2864757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ozone concentration and dilution
Assignee: Airco Inc
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Filing: 1956-02-17
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Granted: 1958-12-16
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Expires: 1976-02-17
Abstract
No abstract record available.
Inventors
- 👤 Frederick R Balcar
- 👤 Dennis Wolcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:26
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/10; Y; Y10; Y10S; Y10S62/00; Y10S62/912; Y10S62/913; Y10S62/914
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
THE METHOD OF PRODUCING A CONTINUOUS OZONE-CONTAINING GAS STREAM COMPRISING DELIVERING A STREAM OF OXYGEN-CONTAINING GAS THROUGH AN OZONIZER AND CONVERTING AT LEAST A PART OF THE OXYGEN TO GASEOUS OZONE TO PRODUCE A RELATIVELY LOW CONCENTRATION OF GASEOUS OZONE, PASSING SAID OZONIZED GAS STREAM THROUGH A CONDENSATION ZONE, PROGRESSIVELY PRODUCING A LIQUID OZONE-RICH FRACTION DURING PASSAGE OF SAID STREAM THROUGH SAID CONDENSATION ZONE, CONTINUOUSLY, COMPLETELY SEPARATING SAID OZONE-RICH LIQUID FRACTION FROM SAID REMAINING GAS STREAM AS SAID STREAM IS DISCHARGED FROM THE CONDENSATION ZONE; VAPORIZING SAID LIQUID OZONE-RICH FRACTION BY CONTACTING SAID FRACTION WITH A NON-REACTIVE, COMPATIBLE LIQUID AND ENTRAINING THE VAPORS THUS FORMED, IN CONTROLLABLE CONCENTRATIONS, IN A CARRIER GAS.
Claim 2
Independent Claim
112 words
THE METHOD OF PRODUCING A CONTINUOUS OZONE-CONTAINING GAS STREAM COMPRISING DELIVERING A STREAM OF OXYGEN-CONTAINING GAS THROUGH AN OZONIZER AND CONVERTING AT LEAST A PART OF THE OXYGEN TO GASEOUS OZONE TO PRODUCE A RELATIVELY LOW CONCENTRATION OF GASEOUS OZONE, PASSING SAID OZONIZED GAS STREAM THROUGH A CONDENSATION ZONE, PROGRESSIVELY PRODUCING A LIQUID OZONE-RICH FRACTION DURING PASSAGE OF SAID STREAM THROUGH SAID CONDENSATION ZONE, CONTINUOUSLY, COMPLETELY SEPARATING SAID OZONE-RICH LIQUID FRACTION FROM SAID REMAINING GAS STREAM AS SAID STREAM IS DISCHARGED FROM THE CONDENSATION ZONE; VAPORIZING SAID LIQUID OZONE-RICH FRACTION BY CONTACTING SAID FRACTION WITH A NON-REACTIVE, COMPATIBLE LIQUID AND ENTRAINING THE VAPORS THUS FORMED, IN CONTROLLABLE CONCENTRATIONS, IN A CARRIER GAS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |