US2713388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil burning system
Assignee: Iron Fireman Manufacturing Co
•
Filing: 1952-04-22
•
Granted: 1955-07-19
•
Expires: 1972-04-22
Abstract
No abstract record available.
Inventors
- 👤 Edward J Todoroff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:35
CPC Classifications
F; F24; F24H; F24H9/00; F24H9/20; F24H9/2064; F24H9/2085; F23; F23D; F23D5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2187045A
Cited
US2375900A
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US2438823A
Cited
US2388908A
Cited
US2421370A
Cited
US2471833A
Cited
US2646111A
Cited
US2640648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-18 | 1959-01-17 | 1959-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-18 | 1963-01-17 | 1963-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-18 | 1967-01-17 | 1967-07-19 | $7700.00 | Window Closed / Lapsed |