US2865164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air fuel control for two-cycle turbocharged spark ignition gas engines
Assignee: Worthington Corp
•
Filing: 1954-04-14
•
Granted: 1958-12-23
•
Expires: 1974-04-14
Abstract
No abstract record available.
Inventors
- 👤 William M Kauffmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:03
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0202; F02D2700/0207; F02D2700/0212
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2043296A
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US2117105A
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US2400247A
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US2608051A
Cited
US2780912A
Cited
US2714881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |