US3124525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ozone generator
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:14
CPC Classifications
F; F02; F02M; F02M25/00; F02M25/10; F02M25/12; C; C01; C01B; C01B13/00; C01B13/10; C01B13/11; C10; C10M; C10M175/00; C10M175/0091; C01B2201/00; C01B2201/10; C01B2201/12; C01B2201/14; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S261/00; Y10S261/42
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
28 words
THE METHOD OF PURIFYING LUBRICATING OIL IN THE CRANKCASE OF AN AUTOMOBILE COMPRISING THE STEP OF SUPPLYING THE CRANKCASE WITH OZONE TO THEREBY CONTACT THE LUBRICANT WITH OZONE.
References Cited (Backward Citations)
US743433A
Cited
US1011503A
Cited
US1725661A
Cited
US1982484A
Cited
US2128455A
Cited
US2575664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |