US2950707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined liquid fuel and excess air metering and distributing, combined liquid fuel and excess air atomizing and injecting, internal combustion engine
Assignee: Individual
•
Filing: 1959-10-13
•
Granted: 1960-08-30
•
Expires: 1979-10-13
Abstract
No abstract record available.
Inventors
- 👤 Butler Frank David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:25
CPC Classifications
F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/30; F01N3/34; F02; F02B; F02B47/00; F02B7/00; F02B7/02; F02B7/04; F02B75/00; F02B75/16; F02B75/18; F02B75/22; F02M; F02M61/00; F02M61/16; F02M61/162; F02M61/163; F02B2275/00; F02B2275/34; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2568473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |