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US573899A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas producer and burner for steam-boilers
Assignee: —
•
Filing: —
•
Granted: 1896-12-29
•
Expires: 1913-12-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:46
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/36; F23D11/44; F23C; F23C99/00
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) | 1899-12-29 | 1900-06-30 | 1900-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1903-12-30 | 1904-06-30 | 1904-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1907-12-30 | 1908-06-30 | 1908-12-30 | $7700.00 | Window Closed / Lapsed |