US3468124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for consuming combustible gases in engine exhaust gases
Assignee: Individual
•
Filing: 1967-04-25
•
Granted: 1969-09-23
•
Expires: 1987-04-25
Abstract
No abstract record available.
Inventors
- 👤 Mykola Hraboweckyj
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:45
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/30; F01N3/34; F01N3/26; F01N13/00; F01N13/08; F01N13/10; F01N2470/00; F01N2470/30; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2841951A
Cited
FR1132431A
Cited
US2806347A
Cited
US2953898A
Cited
US3147588A
Cited
US3177973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |