US2646111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pot-type oil burner and igniter
Assignee: RELIANCE Manufacturing Co Inc
•
Filing: 1947-10-17
•
Granted: 1953-07-21
•
Expires: 1967-10-17
Abstract
No abstract record available.
Inventors
- 👤 Harry C Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:23
CPC Classifications
F; F23; F23Q; F23Q7/00; F23Q7/06; F23Q7/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2239175A
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US1810035A
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US2056146A
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US2083832A
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US2274475A
Cited
US2307007A
Cited
US2353880A
Cited
US2438823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |