Patent US2619159A successfully refreshed from Google Patents.
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 08:22
CPC Classifications
F; F23; F23D; F23D17/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1549683A
Cited
US1752727A
Cited
US1725510A
Cited
US1977478A
Cited
US2083832A
Cited
US2272423A
Cited
US2225467A
Cited
US2348721A
Cited
US2392757A
Cited
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 |