US2542684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fuel burner for industrial furnaces
Assignee: Glaceries de la Sambre SA
•
Filing: 1947-03-04
•
Granted: 1951-02-20
•
Expires: 1967-03-04
Abstract
No abstract record available.
Inventors
- 👤 Laverdisse Edmond Jos Ghislain
- 👤 Lorneau Jean Joseph Gaspard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:30
CPC Classifications
F; F23; F23C; F23C99/00; F23C2700/00; F23C2700/02; F23C2700/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |