US2465285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid current driven apparatus
Assignee: Individual
•
Filing: 1944-12-23
•
Granted: 1949-03-22
•
Expires: 1964-12-23
Abstract
No abstract record available.
Inventors
- 👤 Schwickerath Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:34
CPC Classifications
G; G01; G01P; G01P13/00; G01P13/02; F; F03; F03B; F03B17/00; F03B17/06; F03D; F03D5/00; F03D5/06; G01P5/00; G01P5/02; G01P5/04; Y; Y02; Y02E; Y02E10/00; Y02E10/20; Y02E10/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-21 | 1952-09-20 | 1953-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-21 | 1956-09-20 | 1957-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-21 | 1960-09-20 | 1961-03-22 | $7700.00 | Window Closed / Lapsed |