US770207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic-fluid turbine-wheel.
Assignee: WILKINSON STEAM TURBINE Co
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Filing: 1904-07-12
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Granted: 1904-09-13
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Expires: 1924-07-12
Abstract
No abstract record available.
Inventors
- 👤 James Wilkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:32
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/22; F01D5/225; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/4932; Y10T29/49321
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) | 1907-09-13 | 1908-03-14 | 1908-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1911-09-13 | 1912-03-14 | 1912-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1915-09-13 | 1916-03-14 | 1916-09-13 | $7700.00 | Window Closed / Lapsed |