Patent US2841683A successfully refreshed from Google Patents.
US2841683A
Expired / Lapsed
US
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Device for igniting fuel
Assignee: Individual
•
Filing: 1956-07-12
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Granted: 1958-07-01
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Expires: 1976-07-12
Abstract
No abstract record available.
Inventors
- 👤 Theodore O Ogle
- 👤 Gerald K Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:25
CPC Classifications
F; F23; F23Q; F23Q7/00; F23Q7/02; A; A47; A47J; A47J37/00; A47J37/06; A47J37/07; A47J37/0786; A47J37/079
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB533742A
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US2455410A
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US2492705A
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US2510856A
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US2540277A
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US2569138A
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US2747656A
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US2727130A
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US2775966A
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US2740395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-30 | 1961-12-30 | 1962-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-30 | 1965-12-30 | 1966-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-30 | 1969-12-30 | 1970-07-01 | $7700.00 | Window Closed / Lapsed |