US2566040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel burning method and burner
Assignee: New York Central Railroad Co
•
Filing: 1947-09-26
•
Granted: 1951-08-28
•
Expires: 1967-09-26
Abstract
No abstract record available.
Inventors
- 👤 Lawrence C Simmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:51
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/10; F23D11/101; F23D11/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1451063A
Cited
US1023707A
Cited
CH97936A
Cited
US1381095A
Cited
US1873781A
Cited
GB419949A
Cited
GB409211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-27 | 1955-02-26 | 1955-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-27 | 1959-02-26 | 1959-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-27 | 1963-02-26 | 1963-08-28 | $7700.00 | Window Closed / Lapsed |