US2659428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil burner electric igniter
Assignee: Iron Fireman Manufacturing Co
•
Filing: 1950-07-17
•
Granted: 1953-11-17
•
Expires: 1970-07-17
Abstract
No abstract record available.
Inventors
- 👤 Albert L Judson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:01
CPC Classifications
F; F23; F23Q; F23Q7/00; F23Q7/06; F23Q7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2309319A
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US2257972A
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US2263999A
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US2353880A
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US2438823A
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US2393233A
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US2492756A
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US2481631A
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US2520159A
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US2500663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |