Patent US2525432A successfully refreshed from Google Patents.
US2525432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gaseous fuel burner, including flame retainer
Assignee: Eclipse Fuel Engineering Co
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Filing: 1946-11-16
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Granted: 1950-10-10
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Expires: 1966-11-16
Abstract
No abstract record available.
Inventors
- 👤 Stadler Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:21
CPC Classifications
F; F23; F23D; F23D14/00; F23D14/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2402045A
Cited
US1600712A
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US1884764A
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US1750616A
Cited
US1909496A
Cited
US1943859A
Cited
US2365945A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-09 | 1954-04-10 | 1954-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-09 | 1958-04-10 | 1958-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-09 | 1962-04-10 | 1962-10-10 | $7700.00 | Window Closed / Lapsed |