Patent US3545201A successfully refreshed from Google Patents.
US3545201A
Expired / Lapsed
US
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Exhaust gas treatment
Assignee: Individual
•
Filing: 1969-08-22
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Granted: 1970-12-08
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Expires: 1989-08-22
Abstract
No abstract record available.
Inventors
- 👤 Bjarne Pedersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:33
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/02; F01N3/05; F01N3/021; F01N3/04; F01N3/043; F01N3/08; F01N3/10; F01N3/24; F01N2240/00; F01N2240/02; F01N2250/00; F01N2250/06; F01N2250/10; F01N2270/00; F01N2270/02; F01N2330/00; F01N2370/00; F01N2370/22; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1843999A
Cited
US1716479A
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US1756897A
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US1877523A
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US3032967A
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US3059422A
Cited
US3146072A
Cited
US3177650A
Cited
US3350878A
Cited
US3347217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |