US655274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam-generator.
Assignee: Individual
•
Filing: 1899-11-23
•
Granted: 1900-08-07
•
Expires: 1919-11-23
Abstract
No abstract record available.
Inventors
- 👤 Robert Ramsden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:23
CPC Classifications
G; G21; G21C; G21C1/00; F; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/18; Y; Y02; Y02E; Y02E30/00; Y02E30/30
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) | 1903-08-07 | 1904-02-06 | 1904-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-08-07 | 1908-02-06 | 1908-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-08-07 | 1912-02-06 | 1912-08-07 | $7700.00 | Window Closed / Lapsed |