US3024593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic exhaust purifier for engines operating on leaded gasoline
Assignee: Oxy Catalyst Inc
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Filing: 1958-05-23
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Granted: 1962-03-13
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Expires: 1978-05-23
Abstract
No abstract record available.
Inventors
- 👤 Eugene J Houdry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:56
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/92; B01D53/94; B01D53/944; F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/18; F01N3/22; F01N3/24; F01N3/28; F01N3/2803; F01N3/2839; F01N3/2846; F01N3/30; F01N3/34; F01N13/00; F01N13/14; F01N2260/00; F01N2260/10; F01N2330/00; F01N2330/08; F01N2510/00; F01N2510/06; F01N2510/061; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10S; Y10S55/00; Y10S55/30
Claims Analysis
Total Claims: 0
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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) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |