Patent US2699346A successfully refreshed from Google Patents.
US3966419B2
Expired / Lapsed
US
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Catalytic converter having monolith with mica support means therefor
Assignee: Motors Liquidation Co
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Filing: 1974-11-18
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Granted: 1988-01-12
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Expires: 1994-11-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:41
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/08; F01N13/10; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2839; F01N3/2853; F01N3/2867; F01N2350/00; F01N2350/02; F01N2350/04; F01N2350/06; Y; Y10; Y10S; Y10S248/00; Y10S248/901
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-01-11 | 1991-07-13 | 1992-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-01-11 | 1995-07-13 | 1996-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-01-11 | 1999-07-13 | 2000-01-12 | $7700.00 | Window Closed / Lapsed |