US2788847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic electric ignition for oil burners
Assignee: Motor Wheel Corp
•
Filing: 1954-06-28
•
Granted: 1957-04-16
•
Expires: 1974-06-28
Abstract
No abstract record available.
Inventors
- 👤 Frederick H Huntley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:14
CPC Classifications
F; F23; F23Q; F23Q7/00; F23Q7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2021647A
Cited
US2077294A
Cited
US2396205A
Cited
US2662589A
Cited
US2673606A
Cited
US2640648A
Cited
US2716445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-15 | 1960-10-15 | 1961-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-15 | 1964-10-15 | 1965-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-15 | 1968-10-15 | 1969-04-16 | $7700.00 | Window Closed / Lapsed |