Patent US1289385A successfully refreshed from Google Patents.
Patent US2544299A successfully refreshed from Google Patents.
US2544299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fuel burner with mixing and igniting means
Assignee: —
•
Filing: —
•
Granted: 1951-03-06
•
Expires: 1968-03-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:51
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/36; F23D11/40; F23D14/00; F23D14/02; F23D5/00; F23D5/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |