Patent US3083083A successfully refreshed from Google Patents.
US3083083A
Expired / Lapsed
US
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Device for catalytically combusting ingredients of exhaust gases
Assignee: Individual
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Filing: 1960-07-29
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Granted: 1963-03-26
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Expires: 1980-07-29
Abstract
No abstract record available.
Inventors
- 👤 Boysen Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:58
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N1/00; F01N1/24; F01N3/10; F01N3/24; F01N3/28; F01N3/2839; F01N3/2846; F01N3/2882; F01N2260/00; F01N2260/08; F01N2260/10; F01N2310/00; F01N2310/02; F01N2330/00; F01N2330/08; F01N2450/00; F01N2450/04; F01N2450/30; F01N2470/00; F01N2470/08; F01N2530/00; F01N2530/02; F01N2530/04
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) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |