US2619159A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Horizontally fired gas-oil burner
Assignee: Individual
•
Filing: 1949-09-28
•
Granted: 1952-11-25
•
Expires: 1969-09-28
Abstract
No abstract record available.
Inventors
- 👤 Young Cyril Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:07
CPC Classifications
F; F23; F23D; F23D17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1549683A
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US1752727A
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US1725510A
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US1977478A
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US2083832A
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US2272423A
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US2225467A
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US2348721A
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US2392757A
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US2386556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-25 | 1956-05-26 | 1956-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-25 | 1960-05-26 | 1960-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-25 | 1964-05-26 | 1964-11-25 | $7700.00 | Window Closed / Lapsed |