Patent US2890871A successfully refreshed from Google Patents.
US2890871A
Expired / Lapsed
US
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Anti-icing carburetor
Assignee: Motors Liquidation Co
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Filing: 1957-05-01
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Granted: 1959-06-16
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Expires: 1977-05-01
Abstract
No abstract record available.
Inventors
- 👤 Clarence R Lunn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:41
CPC Classifications
F; F02; F02M; F02M3/00; F02M3/08; F02M3/12; F02M17/00; F02M17/40; F02M17/50; Y; Y10; Y10S; Y10S261/00; Y10S261/20
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) | 1962-06-15 | 1962-12-15 | 1963-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-15 | 1966-12-15 | 1967-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-15 | 1970-12-15 | 1971-06-16 | $7700.00 | Window Closed / Lapsed |