US2549092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner for liquid fuels
Assignee: Sulzer AG
•
Filing: 1944-06-01
•
Granted: 1951-04-17
•
Expires: 1964-06-01
Abstract
No abstract record available.
Inventors
- 👤 Huber Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:01
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/24; F23D11/26; F23D11/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1326488A
Cited
US1644372A
Cited
US1824952A
Cited
FR751391A
Cited
US2079430A
Cited
US2177781A
Cited
US2313298A
Cited
US2345402A
Cited
US2369046A
Cited
US2315172A
Cited
US2374041A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |