US3445195A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Afterburner device for catayltic combustion of combustible components in the exhaust gas of an internal combustion engine
Assignee: Benteler Deutschland GmbH
•
Filing: 1965-03-03
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Granted: 1969-05-20
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Expires: 1985-03-03
Abstract
No abstract record available.
Inventors
- 👤 Erich Benteler
- 👤 Alfred Kretschmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:47
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/30; F01N3/34; F01N3/18; F01N3/20; F01N3/2006; F01N3/2013; F01N3/2053; F01N3/22; F01N3/28; F01N3/2839; F01N3/2846; F01N3/2882; F01N3/38; F01N5/00; F01N5/02; F01N5/025; F01N13/00; F01N13/14; F01N2240/00; F01N2240/02; F01N2330/00; F01N2330/08; F01N2350/00; F01N2350/08; F01N2410/00; F01N2410/02; F01N2550/00; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3201206A
Cited
US3172738A
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US3215507A
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US3220805A
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US3186807A
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US3197956A
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US3248872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-19 | 1972-11-18 | 1973-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-19 | 1976-11-18 | 1977-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-19 | 1980-11-18 | 1981-05-20 | $7700.00 | Window Closed / Lapsed |