US984493A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine.
Assignee: Individual
•
Filing: 1908-06-24
•
Granted: 1911-02-14
•
Expires: 1928-06-24
Abstract
No abstract record available.
Inventors
- 👤 Carl Roth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:59
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/141; F01D17/143
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) | 1914-02-13 | 1914-08-15 | 1915-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-02-13 | 1918-08-15 | 1919-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-02-13 | 1922-08-15 | 1923-02-14 | $7700.00 | Window Closed / Lapsed |