US2857323A
Expired / Lapsed
US
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Method for ozone generation
Assignee: Welsbach Corp
•
Filing: 1955-10-20
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Granted: 1958-10-21
•
Expires: 1975-10-20
Abstract
No abstract record available.
Inventors
- 👤 William E Cromwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:48
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/10; C01B13/11; C01B13/115; C01B2201/00; C01B2201/60; Y; Y10; Y10S; Y10S422/00; Y10S422/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
IN A METHOD FOR INCREASING THE ENERGY YIELD OF OZONE GENERATION BY A CORONA-TYPE DISCHARGE OZONATOR CONTINUOUSLY SUPPLIED WITH OXYGEN, THE RATIO OF SUPPLIED ELECTRIC POWER TO OXYGEN BEING IN THE RANGE FROM 1 TO 13 WATT-HRS. PER CU. FT. OF GAS TREATED, THE STEP OF CONTINU-
Claim 2
Dependent Claim
47 words
IN A METHOD FOR INCREASING THE ENERGY YIELD OF OZONE GENERATION BY A CORONA-TYPE DISCHARGE OZONATOR CONTINUOUSLY SUPPLIED WITH OXYGEN, THE RATIO OF SUPPLIED ELECTRIC POWER TO OXYGEN BEING IN THE RANGE FROM 1 TO 13 WATT-HRS. PER CU. FT. OF GAS TREATED, THE STEP OF CONTINU-
References Cited (Backward Citations)
US1756897A
Cited
US2271895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |