US2747656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric ignition system for an oil burner
Assignee: Motor Wheel Corp
•
Filing: 1951-04-09
•
Granted: 1956-05-29
•
Expires: 1971-04-09
Abstract
No abstract record available.
Inventors
- 👤 Don F Jones
- 👤 Vaughn H Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:57
CPC Classifications
F; F23; F23Q; F23Q7/00; F23Q7/06; F23Q7/08
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |