Patent US3485483A successfully refreshed from Google Patents.
US3485483A
Expired / Lapsed
US
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Downdraft carburetor
Assignee: JOHN H POHLMAN
•
Filing: 1967-06-20
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Granted: 1969-12-23
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Expires: 1987-06-20
Abstract
No abstract record available.
Inventors
- 👤 John H Pohlman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:22
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/08; F02M1/10; F02M17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1972374A
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US2646265A
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US3016345A
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US2988345A
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US2985160A
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FR1372580A
Cited
US3285585A
Cited
US3281130A
Cited
US3301536A
Cited
US3336014A
Cited
US3330542A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |