Patent US2859807A successfully refreshed from Google Patents.
US2859807A
Expired / Lapsed
US
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Pressure-fed oil fuel burner
Assignee: Individual
•
Filing: 1955-05-23
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Granted: 1958-11-11
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Expires: 1975-05-23
Abstract
No abstract record available.
Inventors
- 👤 Newman Leslie William
- 👤 Dine Romuald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:17
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/24; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1195667A
Cited
US1665145A
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US2008143A
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US2047445A
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US2175866A
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FR811527A
Cited
US2157265A
Cited
GB497112A
Cited
US2200826A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |