Patent US2479166A successfully refreshed from Google Patents.
US2479166A
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US
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Oil burner with steam cleaning means
Assignee: GERTRUDE F LA VELLE
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Filing: 1946-05-27
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Granted: 1949-08-16
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Expires: 1966-05-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Samuel M Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:47
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/10; F23D11/101; F23D11/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US703706A
Cited
US1003700A
Cited
US1118278A
Cited
US1685108A
Cited
US1721477A
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US2276131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-15 | 1953-02-14 | 1953-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-15 | 1957-02-14 | 1957-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-15 | 1961-02-14 | 1961-08-16 | $7700.00 | Window Closed / Lapsed |