US2416359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for lifting fluid
Assignee: Individual
•
Filing: 1945-01-17
•
Granted: 1947-02-25
•
Expires: 1965-01-17
Abstract
No abstract record available.
Inventors
- 👤 George L Thompson
- 👤 Leo A Cejka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:11
CPC Classifications
F; F04; F04F; F04F1/00; F04F1/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1777536A
Cited
US2157219A
Cited
US2318029A
Cited
US2347301A
Cited
US2302391A
Cited
US2336808A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-02-24 | 1950-08-26 | 1951-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-24 | 1954-08-26 | 1955-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-24 | 1958-08-26 | 1959-02-25 | $7700.00 | Window Closed / Lapsed |