US2850446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods for ozone generation
Assignee: Welsbach Corp
•
Filing: 1956-12-05
•
Granted: 1958-09-02
•
Expires: 1976-12-05
Abstract
No abstract record available.
Inventors
- 👤 William E Cromwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:50
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/10; C01B13/11; C01B2201/00; C01B2201/60
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
IN A PROCESS FOR INCREASING THE ENERGY YIELD OF OZONE GENERATION BY AN OZONATOR CONTINUOUSLY SUPPLIED WITH ELECTRIC POWER AND OXYGEN WHERE THE ENERGY INPUT B FALLS WITHIN THE RANGE OF 3.8 TO 9.7 WATT-HOURS PER CUBIC FOOT OF GAS TREATED, THE STEP OF MIXING WITH THE OXYGEN BEFORE ADMISSION TO THE OZONATOR AN AMOUNT OF NITROGEN IN VOLUME PERCENT OF FROM APPROXIMATELY 1.1 TO 12.2-1.27(B-3.8).
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |