US2484272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid burner with auxiliary external oxygen supply
Assignee: Individual
•
Filing: 1947-08-05
•
Granted: 1949-10-11
•
Expires: 1967-08-05
Abstract
No abstract record available.
Inventors
- 👤 Crowe John Marshall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:26
CPC Classifications
F; F23; F23D; F23D17/00; F23D17/002; F23L; F23L7/00; F23L7/007; F23D2900/00; F23D2900/00006; Y; Y02; Y02E; Y02E20/00; Y02E20/34
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US378326A
Cited
US541310A
Cited
US955092A
Cited
US1588634A
Cited
US1852946A
Cited
US1841698A
Cited
US2338623A
Cited
US2303648A
Cited
US2362085A
Cited
US2385153A
Cited
US2412579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |