US662319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for burning liquid fuel.
Assignee: Individual
•
Filing: 1899-05-22
•
Granted: 1900-11-20
•
Expires: 1919-05-22
Abstract
No abstract record available.
Inventors
- 👤 John Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:07
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/10; F23D11/101; F23D11/36; F23D11/44; F23D11/441
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1903-11-20 | 1904-05-21 | 1904-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-11-20 | 1908-05-21 | 1908-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-11-20 | 1912-05-21 | 1912-11-20 | $7700.00 | Window Closed / Lapsed |