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US3439658A
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US
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Carburetting system
Assignee: Societe du Carburateur Zenith SA
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Filing: 1967-07-25
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Granted: 1969-04-22
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Expires: 1987-07-25
Abstract
No abstract record available.
Inventors
- 👤 Jocelyn Elie Louis Simonet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:34
CPC Classifications
F; F02; F02M; F02M13/00; F02M13/02; F02M13/04; F02M13/046; F02M1/00; F02M11/00; F02M11/02; F02M7/00; F02M7/12; F02M7/18; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4304; F02M2700/4311
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) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |