Patent US3220709A successfully refreshed from Google Patents.
US3220709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for supplying a fuel and air mixture to internal combustion engines
Assignee: Individual
•
Filing: 1962-12-14
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Granted: 1965-11-30
•
Expires: 1982-12-14
Abstract
No abstract record available.
Inventors
- 👤 Thadie H Pickron
- 👤 Pickron Bobby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:22
CPC Classifications
F; F02; F02M; F02M69/00; F02M69/04; F02M69/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1126127A
Cited
US1103178A
Cited
US1520926A
Cited
US1951262A
Cited
US2187885A
Cited
US2710604A
Cited
US2995349A
Cited
US3132191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |