Patent US3499269A successfully refreshed from Google Patents.
US3499269A
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Exhaust gas purifying devices
Assignee: Automobiles M Berliet SA
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Filing: 1968-03-18
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Granted: 1970-03-10
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Expires: 1988-03-18
Abstract
No abstract record available.
Inventors
- 👤 Anthelme Bois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:37
CPC Classifications
F; F23; F23G; F23G7/00; F23G7/06; F23G7/07; B; B01; B01D; B01D53/00; B01D53/34; B01D53/92; B01D53/94; B01D53/944; B01J; B01J35/00; B01J35/50; B01J35/58; F01; F01N; F01N13/00; F01N13/14; F01N3/00; F01N3/02; F01N3/021; F01N3/0211; F01N3/0217; F01N3/023; F01N3/031; F01N3/033; F01N3/035; F01N3/08; F01N3/10; F01N3/18; F01N3/20; F01N3/2053; F01N3/24; F01N3/28; F01N3/2803; F01N3/2835; F01N2330/00; F01N2330/10; F01N2470/00; F01N2470/18; Y; Y02; Y02A; Y02A50/00; Y02A50/20; Y10; Y10S; Y10S55/00; Y10S55/30
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |