US2697330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible hydraulic coupling
Assignee: JARVIS C MARBLE
•
Filing: 1950-06-01
•
Granted: 1954-12-21
•
Expires: 1970-06-01
Abstract
No abstract record available.
Inventors
- 👤 Tor A Odman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:27
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/38; F16H61/48; F16H61/50; F16H61/52; F16H61/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2205794A
Cited
US2251972A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |