US1142690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine-wheel.
Assignee: Individual
•
Filing: 1914-09-29
•
Granted: 1915-06-08
•
Expires: 1934-09-29
Abstract
No abstract record available.
Inventors
- 👤 William J Francke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:24
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/147; Y; Y10; Y10S; Y10S416/00; Y10S416/03
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) | 1918-06-07 | 1918-12-07 | 1919-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-06-07 | 1922-12-07 | 1923-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-06-07 | 1926-12-07 | 1927-06-08 | $7700.00 | Window Closed / Lapsed |