US2544713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatically adjustable rotary turbine-type hydraulic coupling
Assignee: Individual
•
Filing: 1945-10-16
•
Granted: 1951-03-13
•
Expires: 1965-10-16
Abstract
No abstract record available.
Inventors
- 👤 Merle W Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:44
CPC Classifications
F; F16; F16D; F16D33/00; F16D33/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1940918A
Cited
GB424395A
Cited
GB452990A
Cited
US2179149A
Cited
US2377009A
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US2359930A
Cited
US2313435A
Cited
US2336167A
Cited
US2395047A
Cited
US2363952A
Cited
US2385058A
Cited
US2385059A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-12 | 1954-09-11 | 1955-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-12 | 1958-09-11 | 1959-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-12 | 1962-09-11 | 1963-03-13 | $7700.00 | Window Closed / Lapsed |